1999 GMC Sierra 1500 Pickup Owner's Manual
1999 GMC Sierra 1500 Pickup Manual
1999 GMC Sierra 1500 Pickup manual content summary:
- 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 1
rn 9 9 3 Owner's M a n u a l 1 THE STRENGTH OF EXPERIENCE. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 2
- 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 3
1993 Sierra Owner's Manual Welcome you enjoy safe and trouble-free operation ofyourvehicle. When it comes to service,keep in mindthatyourGMCTruckdealerknows Corporation Pontiac,Michigan @Copyright 7992 General Motors Corporation, GMC Truck Division. All Rights Reserved Second Edition Printed in - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 4
French Language Manual: Aux proprietairescanadiens: Vous pouvezvousprocurerunexemplairede guideenfrancaischezvotreconcessionaireouauDGNMarketingServices Ltd., 1500 Bonhill Rd .,Mississauga, Ontario L5T 1C7. ...For Canadian Owners Prefer Who ce GENERAL MOTORS, GM, the GM Emblem, GMC - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 5
Model Reference This manual covers these models. TYPE REGULAR CAB PICKUP A c REGULAR CAB PICKUP 3 EXTENDED CAB PICKUP 4 DOOR PICKUP REGULAR CAB CHASSIS CAB 3500 HD CHASSIS CAB K2133 iii - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 6
TABLE OF CONT€NTS How to Use this Manual Seat3 1 Safety Belts A Features Control: Comfort Contmls & Audio Systems Your Driving and the Road I Service dl Appearance -ustomer Assistance lnformation TO212 iv - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 7
and how to operate your audio system. Here you'll find helpful information and tips about the road and how to drive under different conditions. This section tells you what to do if you have a problem while driving, such as a flat tire or engine overheating. Here the manual tells you how to keep your - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 8
.x - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 9
How To Use This Manual A Manypeople read theirowner'smanualfrombeginning to end when theyfirst receive their new vehicle. This will help you learn about the features and controlsforyourvehicle. In thismanual,you'll find thatpicturesandwords work together to explain things quickly. INDEX: A good - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 10
How To Use This Manual Safety Warnings and Symbols You willfindanumberofsafetycautionsinthisbook.Weuseyellowand theword CAUTION totellyouaboutthingsthatcouldhurtyouifyouwere ignore the warning. to Thesemeanthereissomethingthatcouldhurtyou or otherpeople. is. Thenwe tellyou Intheyellowcautionarea, - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 11
Vehicle Damage Warnings Also, in thisbookyouwillfindthesebluenotices: I ?se mean there is something that could damage your vehicle. Inthebluenoticearea,we tell youaboutsomethingthatcandamageyour vehicle.Manytimes,thisdamagewouldnotbecoveredbyyourwarranty,and itcouldbecostly.Butthenoticewill tell - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 12
To Use This Manual Vehicle Symbols These are some of the symbols you will find on your vehicle. For example, these symbols are used on an original battery: A Caution Possible Injury Protect Eyes by Shielding Caustic Battery Acid Could Cause Burns Spark or Flame Could Explode Battery Avoid Sparks or - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 13
These symbols have to do with your lights: Master Lighting Switch Turn Signal Direction Hazard Warning Flasher Heao'lighr High Beam I pt Parking controls: 1 I L 1 Windshield Wiper Windshield Washer Windshield Defroster Rear Window Defogger 3f Ventilating f a n Air Vents PO596 0-5 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 14
How To Use This Manual These symbols are used on warning lights in your vehicle: 1Engine Coolant Temperature Battery Charging System s Fuel Engine Oil Pressure BRAKE Brake I RELEASE Parking Brake Release SHIFT Shift Light Low Coolant Here are some other symbols you may see: I I I Fuse - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 15
Belt Use During Pregnancy ...1-24 1-25 Passenger Positions ...Children ...1-35 Smaller Children And Babies ...1-36 Child Restraints...1-37 Larger Children ...1-50 Safety Belt Extender ...1-52 Checking Your Restraint Systems ...1-52 Replacing Safety Belts After a Crash ...1-53 1-1 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 16
seats-how to adjustthem,and anddown. It alsotellsyouaboutrecliningfrontseatbacksandhead restraints. fold them up Front Seats Manual Front Seat 1 Youcan losecontrol of thevehicle if youtrytoadjustamanual driver'sseatwhilethevehicleismoving.Thesuddenmovement couldstartleandconfuse you,ormakeyoupusha - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 17
Power Seat r: ! ' K2365 If yourvehiclehasapowerseatonthedriver'sside,youcanadjust thisswitchatthefront of theseat. it with Reclining Front Seatback (Bucket or Split Bench Seat) PO191 To adjusttheseatback, lift thefront of thislever. If yourvehiclehasaneasy entryseat, - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 18
can't do their job whenyou'rereclinedlikethis. Ir The shoulder belt can't do itsjobbecauseitwon't be against your body. Instead,it will be in front of you. In a crashyou could go into it, receiving , have the seatback upright. Then sit well back in the seat and wear your safety belt properly. 1-4 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 19
a neckinjury in a crash. Seatback Latches (Full Bench Seat) I K2106 The front seatback folds forward to letyouaccesstherear forth freely,unlessyoucometo seatbackwillmovebackand Thenitwilllock in place. of the cab. Your a suddenstop. 1-5 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 20
Seats & Safety Belts IfyouhaveaFourDoorModel,yourfrontseatbackisdesignednot to fold forward.Access to therear of thecabisavailablebyusingthereardoors. There'sonetimetheseatbackmaynot fold withoutsomehelpfromyou. If thishappens, That's if your vehicleisparkedgoingdownafairlysteephill. lift thislatch. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 21
Seatback Latches (Reclining Split Bench and Reclining Bucket Seats) PO191 Thefrontseatbackfoldsforwardtoletyouaccesstherear of thecab. To foldtheseatbackforward,liftthislever. Ifyourvehiclehasapassenger sideeasyentryseat,yourseatbackleverwillbeslightlylarger,butwillwork thesame way. Liftthefront - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 22
Seats & Safety Belts Easy Entry Seat (Extended Cab Only) K2406 Therightfrontbucketseatortherightsideofthe 40/60 splitbenchseat yourvehiclehasaneasyentryfeature.Thismakesiteasytogetinandout Afterreturningtheseattoitsregularposition,trytomovetheseatwithyour body,tomakesuretheseatislockedintoplace. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 23
Rear Seats Rear Folding Seat (Extended Cab Models) ' ' - I PO491 Theextendedcabmayhavearearfoldingseatwhichcanbefoldeddown formoreseatingspace. To usetheseat, the seat to where yau want it. Then releasetheleverand try to move the seat with your body, to makesure the seat is lockedintoplace. 1-9 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 24
Seats & Safety Belts Rear Seatback Latch (Except Bench With Armrest) K2106 Therearseatbackcanbefoldedforwardtoletyoureachthearea Yourseatbackwillmoveback andforthfreely,unlessyoucome stop.Then,itwilllockintoplace. behind it. to asudden There's onetimetheseatback may not fold - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 25
rearward the on seatback to be sure it is locked. Safety Belts: They're For Everyone This part of themanualtellsyouhow to usesafetybeltsproperly. yousomethingsyoushouldnotdowithsafetybelts. It alsotells * Don'tletanyoneridewheretheycan't I wear asafetybeltproperly. If you are in acrashandyou - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 26
Seats & Safety Belts AM110001 This figure lights up when you turn the key to RUN or START whenyour safetybeltisn'tbuckled,andyou'llhearabuzzerortone,too.It'sthe remindertobuckleup.InmanystatesandCanadianprovinces,thelawsays They work. towearsafetybelts.Here' - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 27
AM11 001 8A1 Why Safety Belts Work When you ride in oronanything, you go asfastas it goes. For example, if thebike is going 10 mph (16 kmlh), so isthechild.Whenthebikehitsthe block, it stops.Butthechild keeps going! 1-13 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 28
Seats & Safety Belts AMI AM1 15004 Take thesimplest"vehicle."Supposeit'sjustaseat on it. on wheels. Put someone a L AM115005 Getituptospeed.Then stop the"vehicle."Theriderdoesn't stop. 1-14 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 29
d AM115006 Thepersonkeepsgoinguntilstopped ...couldbethewindshield by something. In arealvehicle,it m AM115007 ortheinstrumentpanel . 1-1 5 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 30
in moreofthem in thefuture.Butthey are supplementalsystems only-so they work with safetybelts,notinsteadof of them.Every"air bag" systemeverofferedforsalehasrequiredtheuse safetybelts.Even if you're in avehiclethathas"airbags,"youstillhaveto buckleup to getthemostprotection.That'struenotonly in - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 31
km)ofhome.And numberof seriousinjuriesanddeathsoccuratspeeds of lessthan 40 mph (65 km/h). Safetybeltsareforeveryone. Safety Belt Reminder Light K244 Whenthekey is turned to RUN or START, alightwillcomeonforabout eightseconds to remindpeopletofastentheirsafetybelts.Unlessthedriver's safetybelt is - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 32
Seats & Safety Belts How To Wear Safety Belts Properry Adults Thispartisonlyforpeople of adultsize. * \ Therearespecialthings to knowaboutsafetybeltsandchildren.And therearedifferentrulesforbabiesandsmallerchildren. If a child will beridinginyourvehicle,seethepartafterthisone,called "Children." - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 33
I I I I I AM120007 Thedriverhasalap-shoulderbelt.Here'show 1. Close andlockthedoor. to wearitproperly. 2. Adjusttheseat(toseehow,see"Seats" up straight. in theIndex) so youcansit II I' 3. Pickupthelatchplateand pull thebeltacrossyou.Onsomemodels youmayhear a - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 34
. wouldapplyforceatyourabdomen.Thiscouldcauseseriousorevenfatal injuries. The shoulder belt should go over the shoulder and across the chest. These parts of the body are best able to take belt restraining forces. Thesafetybeltlocks if there'sasuddenstop or acrash. Q: What'swrongwiththis - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 35
Q: What's wrong with this? A: The belt is buckled in thewrongplace. CAUTION I A You canbeseriouslyinjured if yourbelt is buckled in thewrong go upoveryourabdomen. placelikethis. In acrash,thebeltwould The belt forces would be there, not at the pelvic. bones. This could cause serious internal - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 36
arm. It should be worn overthe shoulder at all times. I You can be seriouslyinjured if you wear theshoulder belt under your arm. In acrash, your body would move too far forward, whichwould increase the chance of head and neck injury. Also, the belt would apply too much force to the ribs - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 37
A: Thebelt is twistedacrossthe body. I, - You can be seriouslyinjuredbyatwistedbelt. In acrash,you wouldn'thavethe full width of thebelttospreadimpactforces. beltistwisted,make it straight so it canworkproperly,oraskyour dealerto fix it. If a AN120123 To unlatchthebelt,justpush back out of the - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 38
Seats & Safety Belts Beforeyouclosethedoor, be surethebelt is out of theway. If youslam thedooronit,youcandamageboththebeltandyourvehicle. Safety Be/t Use During Pregnancy Safetybeltsworkforeveryone,includingpregnantwomen.Like all occupants, if theydon'twearsafetybelts. they are more likely to be - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 39
Right Passenger Position (Pickup Models) Right Front,Passenger Posltbn (€Mended Cab and Four Door ModeS) The right front passenger's safety belt works the samewayas safety belt. See "Driver- belt is pulled out all the way, it will lock. If it does, let -it go back all the way and start again. 1-25 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 40
Seats & Safety Belts Center Passenger Positions (Except Extended Cab Rear Seat) K2128 If your vehicle has front and rear bench seats, someone can sit in the center positions. Center Passenger Position (Front Seats) Center Passenger Position (Four Door Models Rear Seat) AN1450sJ I When you sit - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 41
To makethe belt shorter,pull its freeendasshownuntilthe Buckle, position and release lap-shoulder belt. it thesamewayasthelap belt issnug: part of a of this If the belt isn'tlongenough,see"SafetyBeltExtender"attheend section. Make sure the release button on the buckle faces upward or outward - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 42
Seats & Safety Belts - To makethebeltlonger, tilt thelatchplateandpull it alongthebelt. the lap part of To makethebeltshorter,pullitsfreeendasshownuntilthebeltissnug. Buckle, position and release lap-shoulder belt. it thesamewayas a of this If the belt isn'tlongenough,see"SafetyBeltExtender" - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 43
.$ 1 Rear Seat Passengers [Extended Cab and Four Door Modek) 7 w . I It'sveryimportantforrearseatpassengers the vehicle who are wearing safety 8 -belts. bl Rear Seat 0 Passenger Positions (Extended Cab) C Rear passengers who aren't safety belted can be. thrown out -of the vehicle in I ', - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 44
Seafs & Safety Belts i AN147025 1. Pickupthelatchplateandpullthebeltacrossyou,Don'tletitget twisted. 2. Pushthelatchplateintothebuckleuntil it clicks. If thebeltstopsbefore it reachesthebuckle,tiltthelatchplateand keeppullinguntilyoucanbuckleit. If thebeltisnotlongenough, this section. see " - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 45
A AN147096 To makethe lap parttight,pulldown as youpullupontheshoulderpart. on thebuckleend of thebelt 3 AM147008 The lap part of thebeltshouldbelowandsnug on thehips, just touching to thestrongpelvicbones.And thethighs. In acrash,thisappliesforce If you slid under it, thebelt you' - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 46
Belts 1 CAUTION Youcan be seriouslyhurt if yourshoulderbelt is too loose. In a crashyouwouldmoveforward too much,whichcouldincreaseinjury. body. The shoulder belt shouldfitagainstyour I AN147030 Tounlatchthebelt, just pushthebuttononthebuckle. Rear Seat Outside Passenger Positions (Four Door - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 47
AN147126 1. Pickupthelatchplateand twisted. pull thebeltacrossyou.Don't let it get belt is all the way this 2. Push the latch plate into thebuckleuntil it clicks.Whenthelap pulledout all the way, itwilllock. and start again. If it does, let itgoback If the belt isnotlongenough,see" - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 48
Theseparts of thebodyarebestabletotakebeltrestrainingforces. Thesafetybeltlocksonly if there'sasuddenstoporacrash. loose. In a You canbeseriouslyhurt if yourshoulderbeltistoo crashyouwouldmoveforwardtoomuch,which could increase i The shoulder belt should fit against your body. 1-34 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 49
AN1 471 27 To unlatchthebelt,justpushthebuttononthebuckle. Children AN150033 Everyone in a vehicleneedsprotection!Thatincludesinfantsand all children smallerthanadultsize.Infact, the lawineverystateandCanadianprovince sayschildrenuptosomeagemustberestrainedwhile in a vehicle. 1-35 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 50
Seats & Safety Belts Smaiier Children and Babies I CAUTION Smallerchildrenandbabiesshouldalwaysberestrained in achild or infantrestraint.Theinstructionsfortherestraint will saywhetheritis A veryyoungchild'shipbones therighttypeandsizeforyourchild. aresosmallthataregularbeltmightnotstaylowonthehips, - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 51
to besecured withintherestrainttohelpreducethechanceofpersonalinjury.The how instructions that come with the infant restraintmustbesecuredproperlyinthecenter or rightfront passenger seat. Where to Put the Restraint (Extended Cab and Four Door Models) Accident statistics show that children are safer - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 52
Seats & Safety Belts I CAUTION Anunsecuredchildrestraintcanmovearound in acollision or sudden L stopandinjurepeople in thevehicle.Besure to properlysecureany childrestraint in your vehicle-even whennochild is in it. Top Strap AN1 55001 If your child restrainthasatopstrap, it mustbeanchored. I - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 53
Securing a Child Restraint in a Rear Outside Position (Extended Cab) 1 K2145 You'll beusingthelap-shoulderbelt.Seetheearlierpartaboutthetopstrap if the child restrainthasone. 1. Puttherestraintontheseat. restraint. 2. Securethechild Follow theinstructionsforthechild in - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 54
Seats & Safety Belts 4. Runthelappartthroughoraroundtherestraint.Thechildrestraint if theshoulderbeltwould go in front instructionswillshowyouhow.See of thechild'sfaceorneck. I so, put it behind the child restraint. f 5. Bucklethebelt.Makesurethereleasebuttonfacesupwardoroutward, so you'llbeable to - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 55
To removethe child restraint, just unbuckle the vehicle's safety belt and let it goback all the way. The safety belt willmovefreelyagainandbereadyto work for an adult or larger child passenger. Securing a Child Restraint in a Rear Outside Position (Four Door) K2145 You'llbeusingthelap-shoulderbelt - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 56
Seats & Safety Belts AN160133 AN160114 5. Pull therest of thelapbeltallthe lock. wayout of theretractortosetthe AN160115 6. To tightenthebelt,feedthelapbeltbackintotheretractorwhileyou pushdownonthechildrestraint. 1-42 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 57
backalltheway.Thesafetybeltwillmovefreelyagainandbeready work for an adult or larger child passenger. Securing a Child Restraint in a Center Seat Position (Except Extended Cab Rear Seat) to K212 Whenyousecurea child restraintin a centerseatingpositionyou'llbeusing if the child restraint has the - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 58
1. Makethebeltaslongaspossibleby alongthebelt. tilting thelatchplateandpulling it ANI 63029 2. Puttherestraintontheseat.Followtheinstructionsforthechild restraint. 3. Securethechildinthe child restraintastheinstructionssay. child 4. Runthevehicle'ssafetybeltthrough or aroundtherestraint.The - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 59
for thei r advice. To removethechildrestraint,justunbucklethevehicle'ssafetybelt. ready to work for an adult or larger child passenger. Securing a Child Restraint in the Center Seat Position (Extended Cab) I It will be PO700 You'llbe using the lap belt. childrestrainthasone. See the earlier - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 60
restraint. child say. 3. Securethechild in thechildrestraintastheinstructions 4. Runthevehicle'ssafety belt through or aroundtherestraint.Thechild restraint instructions will showyouhow. AN1 63030 5. Bucklethebelt.Makesurethereleasebuttonfacesupward so you'llbeable to unbuckle it quickly if - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 61
. Follow theinstructionsforthe child restraint. 2. Securethe child in the child restraintastheinstructions say. 3. Pulloutthevehicle'ssafetybeltandrunthe lap part throughoraround if therestraint.The child restraintinstructions will showyouhow.See theshoulder belt wouldgoinfront of thechild - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 62
Seats & Safety Belts AN165013 4. Bucklethebelt.Makesurethereleasebuttonfacesupwardoroutward, so you'll beable to unbuckle it quickly if youeverneed to. 5. Pulltherest lock. of thelapbelt all the wayoutoftheretractor to set the AN1 65123 AN1 65015 6. To tighten the belt, feedthe lap beltback - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 63
7. Pushandpullthechildrestraintindifferentdirections secure. to besureitis it go to work To removethechildrestraint,unbucklethevehicle'ssafetybeltandlet backalltheway. Thesafetybeltwillmovefreelyagainandbeready foranadultorlargerchildpassenger. . I 9 .j . 2- 5.. : 8 '.I 149 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 64
,eats & Safety Belts Larger Children AM170054Rl Children whohaveoutgrownchildrestraintsshouldwearthevehicle'ssafety to awindow so the child belts. If youhavethechoice,achildshouldsitnext can wearalap-shoulderbeltandgettheadditionalrestraintashoulderbelt if they are canprovide. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 65
Childrenwhoaren'tbuckledupcanstrikeotherpeoplewhoare. I 1 AM1 70055 * Never do this. 'b I Here two children are wearing the same belt. The belt can't properly spread the impact forces. In a crash, the two children can be crushed together and seriously injured. A belt must be used by only one at - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 66
to fit. To wearit, just attach it to theregularsafetybelt. Checking Your Restraint Systems all yourbelts,buckles,latchplates,retractors, anchoragesandremindersystemsareworkingproperly.Lookforanyloose parts or damage. If youseeanythingthatmightkeeparestraintsystemfrom doing its job,have it repaired - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 67
apart under impact forces. If a belt is torn or frayed,get a new one rightaway. aefore replacing any safety belt, see your dealer for the correct part number. You'llneedthemodelyearandmodel numberforyourvehicle.Themodel year is onyourtitleandregistration.Andyoucanfindthemodelnumberon of the driver - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 68
Seats & Safety Belts .. A A c .A Themodelnumber on thereplacementbeltmustbelisted youwant to replace. on thesafetybelt 1-54 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 69
New Vehicle Break-In ...2-10 Ignition Switch ...2-10 Sterting Your Gasoline Engine ...2-12 Starting Your Diesel Engine ...2-15 Automatic Transmission ...2-21 Five-Speed Manual Transmission (Without Low Gear) Five-Speed Manual Transmission (With Low Gear) ... 2-24 2-25 2-28 ...Locking Rear Axle - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 70
Parking Brake ...2-29 Parking Over Things That Burn ...2-33 2-34 2-35 2-36 2-37 2-39 2-41 2-41 2-43 2-44 2-45 2-46 2-47 2-53 2-59 2-61 2-62 2-63 ...Running Your Engine While You're Parked ...Four-wheel Drive ...Transfer Case ...Engine Exhaust Windows ...Horn...Tilt Wheel ... Front Axle Locking - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 71
Keys x I I K2192 1 CAUTION 1 Leavingyoungchildrenin a vehiclewiththeignitionkey is dangerous formanyreasons. A child or others could be badly injured or even killed. Theycouldoperatepowerwindowsorothercontrolsorevenmakethe . r~ 3. Don'tleavethekeysinavehiclewithsmallchildren. !-I? K5127 The - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 72
Featurres & Controls 1 K5316 The door keys are for the doors and all other locks. 2-4 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 73
1 NOTICE Your vehicle has a number of new features that can help prevent theft. t you can have a lot of trouble getting into your vehicle if you ever lo your keys inside. You may even have to damage veh your +* in. So besureyouhaveextrakev m Your Doors and - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 74
Features & Controls Door Locks Unlocked doors can be dangerous. *- -.&&e; g&sr'!G,, . . L. _I.." L . 7.. * ssengers-especiallychildren-caneasilyopenthe doors and fa1 $%$out. Whena door is locked, thInsidehandle \ l't OD( it. 13+AFyOutsi's caneasily e-L-!r thro I an unlocKed aoor wnen you slow - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 75
- .. - K2209 To unlockthedoor, slide thelever up. Power Door Locks (Option) Pressthebottom of thepowerdoorlockswitchmarked LOCK, oneitherfront UNLOCK to door,tolock all thedoors at once.Presstheswitchmarked unlock all thedoorsatonce. on eachdoorworks Onfour-doormodels, - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 76
Features & Controls Tailgate I. K2232 You canopenthetailgatebyliftinguponitshandlewhilepullingthetailgate towardyou. To shutthetailgate, firmly pushitaway from you into thelatch. to besure it Whenyouputthetailgatebackup, latches securely. Quick-Release Tailgate pull it backtowardsyou, A - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 77
, if youhavetoleaveyour it'sbesttolockitupandtakeyourkeys.Butwhat in yourvehicle? ignitionkey?What if youhavetoleavesomethingvaluable Putyourvaluablesinastorageareaorconsole. Lock the console. Lockalldoorsexceptthedriver's, Thentakethedoorkeywithyou. 2-9 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 78
(322 km)or so. During this time your new brake linings aren't yet broken in. Hard stops with new linings can mean premature wear and earlier replacement.Follow this fivedifferentpositions: 6 RUN 1 KO404 Acc (Accessory): Acc lets you usethingsliketheradioandthewindshield it wiperswhentheengine is - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 79
. in motionwhiletheengineis off (for UseOff if youmusthaveyourvehicle example, if yourvehicleisbeingpushed). Run: Thisisthepositionfordriving. Start: This starts your engine. On manual transmission vehicles, turning key the to LOCK will lock A the steering column and result in a loss of ability - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 80
LOCK andpull it straight Starting Your Gasoline Engine Your DieselEngine" in theIndex. Enginesstartdifferently.The8thdigit the proper steps to starttheengine. To Starl Your 4.3 Liter (Code Z) engine or 5.0 Liter (Code H) engine: 1. AutomaticTransmission Moveyour shiftlever to P (Park) or N ( - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 81
in Start forlongerthan 15 secondsat a timewillcaus m your battery be to drained sooner. the much And :essive heal the part of this Manua that tells how to do it wit'--.Jtdamaging your ?hide. See "Tc 'ng Yo Vehicle'' in the lnde To Start Your 5.7 Liter (Code K) engine or 7.4 Liter (Code N) engine: 1. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 82
is moving. I youdo, you f could damage the transmission. Shift to P (Park) only when your vehicle stopped seconds at a time will cause v w r battery to be drained much sooner.Andtheexcessiveheatcan ,clmage your starter Hot Engine Restart,5.7Land7.4LEngines(VehiclesOver 8500 GVWR): If your engine is - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 83
your vehicle towed, see the part of this Manu; that tells how to do it without damaging your vehicle. See "Towing Your Vehicle"in the Index. . NOTICE I If you -drive too quickly through deep puddles or standing water, water can 1%come in through your engine's air intake and badly damage your - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 84
Moveyourshiftlever to neutraland hold the clutch pedal to thefloor while starting the engine. Your vehicle won't start if the clutch pedal is not all part of yourengine is being warmed up for better starting. Whenthelightgoes off, yourengine is readytostart. If the engine l s alreadywarm, this light - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 85
temperature gage. This could damage your in vour vehicle. hicle. Don't let vourenainerunwhenyou'renot Cold Weather Starting (Diesel Engine) Thefollowingtipswillhelpyougetgoodstarting in cold weather. Use SAE IOW-30 oil when theoutsidetemperaturedropsbelowfreezing. 0°F (-18"C), useyourengine - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 86
Out Of Fuel"(see''DieselFuel RequirementsandFuelSystem" m the Index). If you're not out of fuel, and your engine won't start, do this: Turn y6ur ignition key to Run. .Make sure that the GLOW PLUGS light is out. Then turn the ignition key to Stkrt while you 'push the accelerator pedal down. 2-1 8 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 87
as you- can for a starting system check. If the light comes on and then goes out and you know your batteries are charged,butyourenginestillwon'tstart,yourvehicleneedsservice. If your batteries don't have enough .charge intheIndex. to start ,your engine, see "Battery" Be sure you have the right - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 88
Features & Controls To use the block heater: 1. Turnofftheengine. 2. Openthehoodandunwraptheelectricalcord. 3. Plug it intoanormal,grounded110-voltoutlet. ! Pluggingthecordintoanungroundedoutletcouldcause an electrical shock. Also, thewrongextensioncordcouldoverheatandcausea fire. You could be - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 89
Automatic lLansmission K2362 There are several different positions for your gear lever. P (Park) Thislocksyourrearwheels.It'sthebestposition enginebecauseyourvehiclecan'tmoveeasily. to usewhenyoustartyour * Itisdangerous to getoutofyourvehicle in P (Park)withtheparkingbrakefirmlyset. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 90
NOTICE Damage to your transmission caused by shifting out of P (Park) or N (Neutral) with the engine racing isn't covered by your warranty. I OD (Automatic Overdrive) Thispositionis for normaldriving foroff-roaddriving.Select D (third gear) whenoperatingthe vehicle under any of these conditions. 2-22 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 91
a . solid AWZ ...object. You could damage your transmission. ._,, . , - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 92
Features & Controls FivemSpeed Manual lZransmission (Without Low Gear) I K2220 This is your shift pattern. Here's how to operate your transmission: K2386 1 (FirstGear)-Presstheclutchpedalandshiftinto 1. Then,slowlylet up ontheclutchpedalasyoupresstheacceleratorpedal. You canshiftinto 1 whenyou - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 93
to Neutral. N (Neutral)-Use thisposition whenyoustartoridleyour engine, R. Let R (Reverse)-Tobackup, pressdowntheclutchpedalandshiftinto Also, useReverse,alongwiththeparkingbrake, for parkingyourvehicle. FivemSpeed Manual 7Fansmission (With Low Gear) e K2464 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 94
This is yourshiftpattern.Here'show to operateyourtransmission: I IC2287 L (LowGear)(OverdriveFive-SpeedTransmissionOnly)-Press the L. Then,slowlyletupontheclutch pedal as clutchpedalandshiftinto L onlywhen thevehicle youpresstheacceleratorpedal.Shiftinto L at excessive speedisbelow 5 mph (8 km - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 95
N (Neutral)position centeredbetween 2 and 3 prior to shifting into R. NOTICE I - Reverse,alongwiththeparkingbrake,forparkingyourvehicle. Also, use Shift Light Shift to R (Reverse)onlyafteryourvehicle is stopped. Shifting to R (Reverse) while vour vehicle is movina could damaaevourtransmission - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 96
Manual Transmission This chart shows when to shift to the next higher gear for best fuel economy. MANUALTRANSMISSIONRECOMMENDEDSHIFTSPEED IN MPH(KMIH) Engine and VIN AccelerationShiftSpeed CruiseShiftSpeed Trans. Code you damage clutch transmission. the or Locking Rear Axle If youhavethisfeature, - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 97
yourright foot. Pushdownthe foot. If theignition is on,thebrakesystem parkingbrakepedalwithyourleft on. warninglightwillcome To release the parking brake: Hold theregularbrakepedaldown.Pullthelevermarked RELEASE. Driving with the parking brakeoncancauseyourrearbrakes '' You may have to replace and - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 98
in P (Park)before the parking brake is set, the weight of thevehiclemayput too much force ontheparkingpawl in ) (Automatic Transmission Models Only) 1 CAUTION It can be dangerous to get out of your vehicle if the shift lever is not fully in P (Park) with the parking brake firmly - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 99
Steering Column Shift Lever 1. Hold the brake pedal downwithyourright foot andsettheparking brake. 2. Move the shiftlever into the P (Park) position likethis: Pull thelevertowardyou. - - ~- KL" w I" Move the leverup as faras it will go. 3. If youhavefour-wheeldrive, gear-not in N ( - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 100
A Leaving Your Vehicle With the Engine Running (Automatic Transmission Models Only) It can be dangerous leave vehicle the to your with engine running. Your vehicle could move (Park). Parking Your Vehicle (Manual Transmission Models Only) Beforeyougetout of yourvehicle,putyourmanualtransmissionin - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 101
Parking Over Things That Burn I& A ' 8 AM220008 - -*! -- - I CAUTION A Things that can burn could touch hot exhaustparts underyour vehicle and ignite.Don't park over papers, leaves, dry grass or ol r things that can burn. 2-33 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 102
Featums & Contds Engine Exhaust d t. h Y . - t hr--- 'xhaust in coming if: - Your exhaust system sounds strange or Your vehicle sets rusty underneath. * is coming into your vehicle: I Drive it only with all the windows to out down blow any and Have it fixed immediately CO; l I 2-34 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 103
Running Your Engine While You% Parked [Automatic mansmission) It's betternot to parkwiththeenginerunning.But vehicle if the shift lever is not I fully in P (Park) with the parking brake firmly set. Your vehicle can roll.Don'tleaveyourvehiclewhentheengine is runningunless you have to. If you' - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 104
is runningunlessyou 'move have to. If you've left the engine running, the vehicle can suddenly.You or -others could be your vehicle won'tmove,evenwhenyou'reon fairlylevelground,always set your to P (Park). parking brake and move the shift lever I If you have four-wheel drive and your transfer - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 105
Transfer Case PO276 Thetransfercaseshiftlever is onthefloortotherightofthedriver.Usethis lever to shiftintoand out of four-wheeldrive.Anindicatornearthelever shows you thetransfercasesettings: 4L 2H 4H K2224 2-37 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 106
A slightdelaybetweenshiftingandtheindicator's up, or if the front axle light does not go normal. If the indicator does not light out after you shift out of four-wheel drive, have your dealer check your system. to theright of Whenyourheadlightsorparkinglightsareon,rotatethedial your headlight switch - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 107
Wheneveryouareinfourwheel-drive, the rearwheelanti-lockbrakesystem doesnotoperate.Theregularbrakesystemoperatesnormally.Whenyou shiftbackintotwo-wheeldrive, the anti-lockbrakesystemwilloperate. Windows To openyourmanualwindows,turnthehandcrank lower your side door windows. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 108
move it towardthepassengerside. Slidethe windowopen.Whenyou closethewindows,hookthelatchonthe passengersidewindowandpressthedriver'ssiderearwardfirmly.Besure thelatchcatches. Swing-Out Windows (Extended Cab) K2230 I K2231 If your vehicle has rear swing-out windows, just unlatch them at their - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 109
Horn I I' c E, K2319 To soundthehorn,pressthepadwiththehornsymbolonit.Thepadis locatedinthecenter of thesteeringwheel. Tilt Wheel (Option) K2185 A tiltsteeringwheelallowsyoutoadjustthesteeringwheelbeforeyoudrive. You canalsoraiseit to thehighestleveltogiveyourlegsmoreroomwhen - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 110
Features & ContrOrs To tiltthe wheel, holdthesteeringwheeland pull thelever.Movethe steeringwheelto a comfortablelevel,thenreleasethelever to lock thewheel in place. Mu/tifunction Lever Theleverontheleftside of thesteeringcolumnincludesyour: & PassingSignal TurnSignalandLaneChangeIndicator - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 111
Turn Signa/ and Lane Change Indicator ( I Theturnsignalhastwoupward(forRight)andtwodownward(forLeft) positions. These positions allow you to signal a turn or alanechange. To signalaturn,move the leverallthewayup finished,theleverwillreturnautomatically. A greenarrowontheinstrumentpanelwillflash - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 112
Features & Controls beamlightswithfoglampsatalltimes,orthatheadlightsbeturnedon In addition,mostjurisdictions wheneveryoumustuseyourwindshieldwipers. prohibitdrivingsolelywithparkinglights,especiallyatdawnordusk.Itis recommendedthatyoucheckwithyourownstateorprovincialhighway - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 113
- 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 114
Features & Controls Windshield Washer I K2246 At thetop of the multifunction lever there's a paddle marked with the windshield washersymbol and PUSH. To spraywasherfluidonthe windshield,pushthepaddle. The wipers will clear the window and then either stop speed. or return to yourpreset I CAUTION - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 115
instructions for adding water. flui ' follow the manufacturer's Don'tmixwaterwithready-to-usewasherfluid.Watercancausethe fluid tank and other parts in yourwindshieldwasher. damaae your washer system and paint. It can Cruise Control transmission,theCruiseControlshuts a manual - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 116
Features & Contmls I CruiseControlcanbedangerouswhereyoucan'tsafelydriveat asteadyspeed. So don'tuseyourCruiseControlonwinding roadsor inheavytraffic. CruiseControlcanbedangerousonslipperyroads.Onsuch roads,fastchangesintiretractioncancauseneedlesswheel spinning,andyoucouldlosecontrol.Don' - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 117
To Resume a Set Speed SupposeyousetyourCruiseControlatadesiredspeedandthenyouapply thebrake.This, of course,shutsofftheCruiseControl.Butyoudon'tneed 25 mph (40 kmlh) ormore,youcan toreset it. Onceyou'regoingabout movetheCruiseswitch from ON to RIA forabouthalfasecond. I K224 You' - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 118
.Featurns & Controls To Increase Speed While Using Cruise Control There are two waystogo to a higher speed.Here's the first: 1. Usetheacceleratorpedaltoget to thehigherspeed. K2207 2. Pushthebuttonattheend accelerator pedal. You'llnowcruiseatthehigherspeed. Here's the Second Way 1. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 119
you mayhave to brakeorshifttoalowergear to keepyourspeed of CruiseControl. Many down. Of course,applyingthebraketakesyouout driversfindthis to betoomuch trouble anddon'tuseCruiseControlon steephills. Whenyou turn off theCruiseControl or the ignition,yourCruiseControlset speedmemory is erased. 2-5 1 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 120
Features & Confmls To Get Out of Cruise Control I K2206 Thereareseveralways to turn off the Cruise Control: 1. Steplightlyonthebrakepedal manualtransmission OR; 2. MovetheCruiseswitch orpushtheclutchpedal, if youhavea to OFF. 2-52 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 121
Your lightswitchesareontheleftside ofyour instrumentpanel. Pushtheleftsidetheswitchwiththeparkinglightssymbol Parking Lights Sidemarker Lights ClearanceLights (if youhavethem) Taillights License Lights Plate instrument Lights Panel TransferCaseShiftIndicatorLight on it to turnon: Pushtheleftside - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 122
Pushtherightside lights. of theswitchwiththe 0 symbolon it to turn off your off switch to adjustinteriorlights.Turningthe Turnthe dial optional fog lamps for better vision in foggy or misty conditions. Your fog lampswilloperatewithyourlowbeamheadlightsorparkinglights to low on, and go off when - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 123
.TheDRLindicatorlightontheinstrumentpanelwillgoonwhenever the DRL are on. This lightmeansthatonlytheDRLareon.Whenyou turn turn on onyourexteriorlights, this light will goout. Of course,youmaystill theheadlightsanytimeyouneedto. To idleyourvehiclewiththeDRL off, set theparkingbrake.TheDRLwill stay - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 124
Features & Contmls Dome Lights Thedomelightswillcomeonwhenyouopenthesidedoors.Youcanalso turnthedomelightsonbyturningtheinteriorlightdimmerdialalltheway upuntil it clicks. K2360 Ifyouhaveafourdoormodel,youcanuse thedomelampswitch,located belowtheheadlightswitch,tosetthedomelamps to - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 125
I i -9 LL I I K2252 If yourvehiclehasreadinglights,pressthebarnexttothelightto off. light on.Pressthebaragaintoturnthelight I turn the F K2161 If yourvehiclehasanoverheadconsolewithreadinglights,theycanbe swiveledtopoint in thedirectionyou want. To turn thelight on, pressthe on it.Pressthe - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 126
,pushtheside of theswitchwiththe cargolampsymbolonit.Theswitchisbelowthemainlightswitch.The for thecargo lamp towork. domelightmustbeon Underhood Reel Light K2255 Youmayhave anunderhoodreellight. If youdo it is locatedinsidethe it asa enginecompartmentonthepassengersidefender.Youcanuse flashlight - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 127
To usethelight, pull upontheleverand unreelasyou pull thelight. pull thelightout.Thecord will K2253 Whenyouaredoneusingthelight,reelthecordbackintothehousingby turningthehandle.Then,slidethelightintotheholder.Press lever to lock the lightintotheholder. PUSH onthe Mirrors K2256 inside Mirror - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 128
Features & Controls Outside Mirrors K2295 Adjustyouroutsidemirrors so youcanjustseetheside ofyourvehicle,and of objectsbehindyou.Somemirrorscanbefoldedinto haveaclearview enternarrowdoorways. Convex Outside Mirror Your rightsidemirrormaybeconvex. youcanseemorefromthedriver'sseat. A convexmirror' - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 129
Electric Outside Rearview Mirrors K2168 Ifyouhaveelectricmirrors,theycanbeadjusted to pointwhereyouwant frominsidethevehicle.Selectthemirrorbymovingthecenter of theswitch, to R rightor L left.Then,adjustthe locatedonthedriver'sdoorarmrest, - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 130
Featumes & Controls PO284 Somevisorshaveanextenderontheinsideedge.Whenthevisor pull the extender out for extra glare coverage at the front or side. Somevisorshavemirrorswithlights.Themirrorlightswillcome lift the mirror cover. is down, on when you Cigarette Lighter/Ashtrays PO286 To use the' - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 131
Don'tholdacigarettelighter in withyourhandwhile it isheating.Ifyou it's do, it won't be able to back away from the heating element when To remove the front ashtray, pull on the front To removetherearashtrays, tabsandpull. of it. if youhavethem,pressdownontheinside If youdo, - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 132
Features & Controls Center Floor Console K2229 Your vehiclemayhaveaconsolecompartmentbetweenthebucketseats. To openit,justsqueezethebuttonsonbothsides of thekeyhole,andpullup. Useyourroundkey to lockthiscompartment.Yourconsole alsoincludesa handyplacetoholdcups. PO192 Your consolealsohas a - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 133
usethecupholder,pullthehandleandslidethecupholdertrayoutuntil To closethecup itstops.Then,letthecupholderswingdownintoposition. holder, lift the front and slide the tray all the way in. Center Overhead Console PO222 Your vehiclemayhaveanoverheadconsole. inside it. It hasStorageCompartments 2-65 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 134
. loop patch.Press it firmlyto Peel theprotectivebackingfromthehookand the back ofyourgaragedooropener, as close to the center of the opener as possible. PO058 Center the garage door opener activation button over the console andpresstheopenerfirmlyintoplace. door button, 2-66 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 135
PO059 Usethepegsinsidethecompartmentdoor to makesurethe button onthe compartmentdoorwillcontactthecontrolbuttononthegaragedooropener. Add onepegatatimeuntilthegaragedooropeneroperateswiththe compartmentdoorclosed,whenyoupushthe button marked PUSH. PO223 Thecenteroverheadcompartmentcanbeused to - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 136
Features & Contmls Y K2147 Therearoverheadcompartmentcanbeused to storeasmallitem,likea book. To openthecompartment,pressthereleasebuttonlocatedattherear of thecompartmentdoor. Other Storage Compartments R K2238 Somevehicleshavestorageareasintheinstrumentpanel.Usethesespaces foritems such as - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 137
I I H K2241 Somevehicleshaveastorageareabehindtheseat. K2269 Somemodelshaveastoragepocketoneach of thefrontdoors. usethepocket to storeavariety of smallitems. You can 2-69 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 138
Features & Contmls - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 139
K2459 2-7 1 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 140
Features & Confrols - 4 i 00 d 3 0 N w 0 ' A C'.. t K2178 2-72 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 141
I 3 'I I - Iz: G w .. o CD .\ c: cn n W w d . I I n U e n z cn Ll 0 N is ' 1 s I 3 3 3 . I u i $' PB003 2-73 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 142
* I -c 4 . 0 a0 ! . cz k 0 N r E X J L 1 # K2180 2-74 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 143
*\ c a \0 I a0 W 2 "p A a W I - E 0 I E Y 0 I F L d / PBO( 2-75 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 144
mph (180 km/h). Tamper-Resistant Odometer Your odometeristamper-resistant.Theodometerwillshowsilverlines betweenthenumbers if someonetriestoturn it back. Youmaywonderwhathappens if yourvehicleneedsanewodometer to themileagetotal of theoldodometer, installed. If thenewonecanbeset then it mustbe.But - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 145
onthedriver'sdoor wasinstalled. Trip Odometer to showthe old mileagereadingwhenthenewodometer 1 K2323 Thetripodometercantellyouhowfaryourvehiclehasbeendrivensince to zero. youlastsetthetripodometer To resetthetripodometer,fullypresstheresetbuttonlocatednearthe readout. If - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 146
notoperatetheenginewiththetachometer magec' could parts other be engine or 'II in theredarea,your in 1 I Damage to yourengineorvehiclecausedbyoperatingtheengine red area isn't covered by your vehiclewarranty. Warning and lndicator Lights This section describes the warning lights - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 147
lights work together to let you knowwhenthere's a problem manual's advice. So pleaseget to Waiting to dorepairscanbecostly-andevendangerous. knowyourwarninglightsandgages.They're a bighelp. Brake System. Warning Light BRAKE . , K2325 Your vehicle's hydraulic brake system is divided into two parts - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 148
maytakelonger to stop. If thelightisstillon,havethevehicletowedfor service.(See"TowingYourVehicle"intheIndex.) It CAUTION * have +hq vehicletowedforservice. "WATER IN FUEL" Light WATER IN FUEL Thislightwillcomeontowarnyou if thereistoomuchwaterinthediesel fuelsystem. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 149
lighttellsyouwhentheengineisready to be started. It isatthe upperright of yourcluster.Formoredetails,see"StartingYourDiesel Engine"intheIndex. Low Coolant Warning Light LOW K2327 If youhaveadieselengine,youhavealowcoolantwarninglight. If thislight low oncoolantandtheenginemayoverheat.See comeson - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 150
"EngineCoolant''intheIndexandhaveyourvehicleservicedassoon you can. Charging System Light as K2328 Theredchargingsystemlight is locatedattheupperrighthandcorner of yourinstrumentcluster. It shouldcomeonbrieflywhenyouturnonthe ignition,beforestarting the engine,asacheck to showyou it is working - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 151
Malfunction Indicator Lamp (Service Engine I Soon Light) SERVICE EF_'31NE SOON K2329 A computermonitorsoperation ofyourfuel, ignition,andemissioncontrol systems.Thislightshouldcomeonwhentheignitionisonbuttheengineis notrunning,as a check to showyou it isworking.If it doesnotcomeonat all,have it - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 152
& Controls CHECK GAGES Light Thislight will comeonbrieflywhenyouarestartingtheengine. If thelight a problemwith comesonandstays on whileyouaredriving,itcouldindicate if theyare in thewarning yourvehicle.Checkyourvariousgagestosee zones. K2330 Daytime Running Lights (DRL) Indicator Light (Canada - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 153
SHlFT Indicator Light I K2317 Thislight,withtheSHlFTlarrowsymbol,isattheleftside of theinstrument clusteronsomevehicleswithmanualtransmissions.Depending on your inthissectionformoreinformation. Headlight High Beam Indicator Light -4 K2331 Thislightwiththebluehighbeamsymbolisontheleftside of the - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 154
Features & Contmls beamheadlights.Formoredetailsabouthighbeams,see"Headlight High-LowBeamChanger"earlier in thissection. Turn Signal and Lane Change Indicator K2444 Theselights,withthegreenarrows,are oneachside of theinstrument you signala turn or lane cluster.Thesignalindicatorwillcomeonwhenever - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 155
Gages Fuel Gage Standard Cluster, Gas Standard Clusfer, Diesel ADED FUEL ONLY DtESEL FUEL ONLY n Tachometer Cluster, Cluster, Diesel Tachometer Gas UNtE FUEL EL a I K2333 Thefuelgage,whentheignition is on,tellsyouabouthowmuchfuelyou haveleftinyourtank. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 156
"Fuel-FillingYourTank"in Foryourfueltankcapacity,see"Fuel-TankCapacity" Engine Coolant Temperature Gage in theIndex. 760 K2334 Thisgageshowstheenginecoolanttemperature Hot Coolant Can Burn You Badly! In"ProblemsontheRoad",thismanualshowswhattodo.See"Engine Overheating"intheIndex. 2-88 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 157
Oil Pressure Gage Standard Cluster, Gas Standard Cluster, Diesel 60 K2335 Tachometer Cluster, Gas Tachometer Diesel Cluster, The oil pressuregageshowstheengineoilpressure in psi (poundsper squareinch)whentheengineisrunning.Canadianvehiclesindicatepressure inkPa(kilopascals). - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 158
oil assoon as possibleandhaveyourvehicle serviced. I NOTICE Damage to your engine from neglected not covered by yourwarranty. oil problems can be costly anc system.Readings betweenthelowandhighwarningzonesindicatethenormaloperatingrange. Readings in eitherwarningzoneindicateapossibleproblem system - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 159
Harness The optional 5-wire harness is stored in' the front stake pocket on the driver's side of' the bed. The harness has no connector, and should be wired by a qualified electrical service person. It must be routed out ofyourvehicle and securely attached so that it won't be pulled or rubbed while - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 160
- t' i L W 1':- I . t . 2-92 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 161
System ...3-2 Flow-Through Ventilation System ...3-2 Heating System (Without Air Conditioning) ...3-4 Heater Output ...3-5 Electronic Heating/Air Conditioning System ...3-5 Rear Window Defogger ...3-8 Audio Systems 3-14 Care of Your Cassette Tape Player ...3-18 Fixed Mast Antenna ...8 3-1 3-1 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 162
Systems Comfort Control System Flow-Through Ventilation System K2302 Your vehicle's flow-through ventilation system supplies outside air to the inside will flow ofyour vehicle whenit is moving.Withthesidewindowsclosed,air into the front air inlet grilles, through the vehicle and out the rear air - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 163
Air Vents I I K2315 You will find airventsinthecenterand on thesides of yourinstrument panel. You canmovetheventstodirecttheflow ofair,or closethevents altogether.Whenyoucloseavent, it willincreasethe flow of aircomingout ofany ventsthatareopen. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 164
Comfort Conhvls & Audio Systems Heating System (Without Air Conditioning) K2441 If your vehicledoesnothaveairconditioning,thisiswhatyourheating systemwill look like Heater(Center): Heatedaircomesoutnearthefloor.Thisisbestfor weather. Vent (Left): The air comesoutattheventsonyourinstrumentpaneland - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 165
"EngineBlock Heater" in theIndex. Diesel Engine If youidleyourdieselengineforalongtimewhenit'scoldoutside,your heater mayblowoutcoolair. theIndex to findout how to check your coolant level. Electronic HeatingAir Conditioning System Function Display K2305 If yourvehiclehasairconditioning, - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 166
out of theheateroutletwheneverthe vehicleismovingforward. off. If the OFF button waspressed,youmustpress N C , MAX (RECIR onsome models),oroneof the BLEND buttons for the system to comebackon. Air Controls (BLEND) The two buttons to the right ofthesystemdisplaycontroltheair flow. You can blend the - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 167
cold system display lets you select the temperature of the air COLD for cooler air (-) to thebutton (t)to increasetheairflow.Pressthebottom decrease the air flow. The setting you select is shown on your MED LOW, MED HI or HI. Air Recirculation Button Ifyoupressthe MAX button (RECIR onsomemodels), - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 168
Comfort Controls & Audio Systems Rear Window Defogger You cantell if yourvehiclehasthisoptionbylookingattherearwindow. youseelinesrunningacrosstheglass,youhaveit.Thes'earethewires whichheatyourwindow. If For best results, clear the window ofasmuchsnow or ice as possible first. - - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 169
Audio Systems Your Delco@audiosystemhasbeendesigned to operateeasilyandgive years of listeningpleasure.Butyouwillgetthemostenjoymentout of it, if youacquaintyourselfwith it first.FindoutwhatyourDelco@systemcando andhowtooperateallitscontrols, to besureyou'regettingthemostout of it. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 170
Comfort Controls & Audio Systems AM Stereo ThismeanstheDelco@systemcanreceiveC-QUAM@stereobroadcasts. to producestereo, ManyAM stationsaroundthecountryuseC-QUAM@ thoughsomedonot.(C-QUAM@ is aregisteredtrademark of Motorola,Inc.). If yourDelco@systemcangetC-QUAM?your "STEREO" lightwillcomeon - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 171
Within 5 seconds,pressone of thefivepushbuttonstostorethestation. Wheneveryoupressthatbutton,thepresetstationwillreturn. How to Operate Your AM-FM Stereo Audio System and Cassette Deck PO200 To Play the Radio Presstheamber PWR button toswitchtheradioonand VOL Controlsthevolume.Pressing - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 172
Comfort Contmls & Audio Systems andbottombuttonsadjuststhefrontandrearspeakervolume,orfade.The relativebalanceandfadeadjustmentsareshown on the VFdisplay. TUNE Pressthe (t) toincreasefrequencyand (-) to decreasefrequency. AM/FM PushtogetAMorFM. SEEK Pressthe SEEK button to make thereceiverseek, - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 173
BASS Push (t)to hearmorebass. Push (-) to hearlessbass. Adjustthesebuttons to giveapleasingsound. justreduce TREB to lesseninterference. If astationis weakandnoisy, Cassette Deck ...,~, ._L-.~ ... ... .. - ... j__-. ... ... : ... ...-...I IX_r" ... 1 K2310 If youhaveacassettedeck, it - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 174
side of thetapewhenthefirstsideends. EJECT To removethetapeorstopthetapeandswitch button. to radio,pressthe EJCT How to Operate Your AM-FM Stereo Audio System and Cassette Deck with Equalizer PO199 To Play the Radio Presstheamber PWR button to switchtheradioonand off. decreasesvolume. VOL - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 175
SET willremain in the VF display fora Afteryousetthetime,theword fewseconds. Tone To adjust the tone of this radio combination, see graphic equalizer tape deck. the instructions for the 3-1 5 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 176
Comfort Controls & Audio Systems AmSt The AmSt buttonisjustbelowthe PWR button.Pushthis whenyou tune to anAM stationthatbroadcastsinstereo. Your STEREO light will comeon whenyou'rereceiving AM stereo. If youpush AmSt andthereisnomore if youdon't noise, it meansthestationisweak.You' - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 177
EJECT Press EJECT to eject the cassette tape from the player (the radio will then play.) FWD To rapidlyadvancethetape,press FWD. The light in thebuttonwillbe lit REV buttonlightly. andthetapewillrapidlyadvanceuntilyoupressthe SEEK To searchforthenextselectiononthetape,forward orback, press SEEK (the - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 178
Comfort Contrors & Audio Systems Care of Your Cassette Tape PIayer A tapeplayerthatisnotcleanedregularlycancausereducedsoundquality, ruinedcassettes, or adamagedmechanism.Cassettetapesshouldbestored . K1313 Fixed Mast Antenna Thefixed mastantennacanwithstandmostcarwasheswithoutbeing damaged. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 179
. Hereyou'll find informationaboutdrivingdifferentkinds ofroadsand in varying weather conditions . We've also included many other useful tips on -wheel Drive Vehicle 4-14 4-19 4-21 4-22 4-25 4-36 4-30 Braking...4-14 Loss of Control ...4-24 ... Driving at Night...w..i*&r,+v ...Driving in the Rain - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 180
Parking on Hills ...Winter Driving ...Towing a Trailer 4-49 4-52 ...4-55 Power Winches...4-62 Power Take-Off ...4-62 4-2 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 181
a good idea to know these codes so that you can quickly grasp the basic chance to read it. meaning or intent of the sign even before you have a . . ? ._ ).+.A; Color of Road Signs * , f . zone,orsome other potentially dangerous situation. Likewise, a yellow solid on line painted - 1 \ 4-3 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 182
AM40200 ORANGE indicatesroadconstruction ormaintenance.You'llwant to slow downwhen youseeanorangesign, as part of theroadmaybeclosed off or torn up.And there may beworkersandmaintenancevehiclesaround, too place. HOSPITAL INFORMATION I BLUE signs with white letters show motorists' services. 4-4 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 183
, . \ CANOEING SWIMMING AM402006 BROWN signspointoutrecreationareasorpoints interest. o historicorcultural f Shape of Road Signs The shape of thesign will tell yousomething, too. A TOPA L A AM402007 AnOCTAGONAL(eight-sided)signmeans letters, STOP. It is alwaysredwithwhite 4-5 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 184
Your Driving and the Road AM4020d ADIAMOND-shapedsignisawarning of somethingahead-forexample, the soft shoulder,or a narrow end of adividedhighway,acurve,steephill, bridge. I I AM402009 A TRIANGLEpointeddownward,indicatesYIELD. It assignstheright-of-way to traffic on certainapproaches to - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 185
Symbols on Road Sjgns AM402012 Therearemanyinternationalroadsigns in usetoday. Thebasicmessage of many of thesesigns is in pictures or graphicsymbols. A picturewithinacirclewithadiagonal line acrossitshowswhatNOTto do. NO U TURN NO PARKING NO BICYCLES AM40201 3 4-7 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 186
Your Driving and the Road Traffic Lights AM402014 We're all familiarwithtrafficlightsorstoplights.Often,greenarrowsare being A greenarrowmeansyoumaydrive in thatlane. in thatlaneatthattime. Look forthesignsposted to warndriverswhathoursanddaysthese systems are ineffect. 4-8 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 187
Pavement Markings NO PASSING ZONE AM40201 6 Pavementmarkingsadd to traffic signs and signals. They give information to driverswithouttakingattentionfromtheroadway. A solidyellowlineonyour side of theroadorlanemeans"don'tcross." Your Own Signals Driverssignal to others, too. It's notonlymorepolite - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 188
to runstopsignswhenyouareonathroughstreet,Be Youmay not ready to brake if necessaryasyougothroughintersections. if you do, maneuver,inbothcityandruraldriving. Youneverknowwhen thevehicle in front ofyouis going to brake or turn suddenly. Here'safinal bit of informationaboutdefensivedriving. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 189
Drunken Driving Deathandinjuryassociatedwithdrinkinganddriving is anationaltragedy.It's the numberonecontributor to thehighway death toll, claiming thousands of victimseveryyear.Alcoholtakesawaythreethingsthatanyoneneeds to drive a vehicle: Judgment Muscular Coordination Vision - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 190
SHOWN NUMBER OF DRINKS (as in picture) 8 7 6 ' 4 I I -t 3 HOURS YOUR 3 2 1 1 i 100 120 140 I 160 180 200 240 220 BODY WEIGHT IN POUNDS AM407002 Thelaw in most U.S. statessetsthelegallimitataBAC of 0.10 percent. In Canadathelimit is 0.08percent,and in someothercountriesit'slowerthan - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 191
,thechancesaretwenty-fivetimesgreater! bodytakesaboutanhour to riditself of the alcohol in onedrink. No amount of coffee ornumber of cold showerswillspeedthatup. "1'11 becareful"isn'ttherightanswer. What if there'sanemergency,aneed A personwitha totakesuddenaction, as whenachilddartsintothestreet - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 192
. AM409002 Sometimes,aswhenyou'redrivingonsnoworice,it'seasytoaskmoreof thosecontrolsystemsthanthetiresandroadcanprovide.Thatmeansyou can lose control of yourvehicle. Braking Brakingactioninvolves perceptiontime and reaction time. First,youhave to decide to pushonthebrakepedal.That's perception - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 193
accelerationfollowed byheavybraking-rather than keepingpacewith to cool traffic.Thisis a mistake.Yourbrakesmaynothavetime if "riding"thebrakes. I NOTICE "Riding" the brakes wears them out much faster. You would need costly brake replacementmuchsooner than normal.and it alsoreduces fuel economv. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 194
brakes. If you do, tht$ pedal may get harder to. .push down. If your- engine stops, you wl still have some power $rake,assist But you i wil use it when you brake unnecessary braking.. That means better brakin'g. and Anti-lock Brakes (ABS) Yourvehicl'ehas an 'advanced electronic braking system that - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 195
c AM415016 Asyou brake,yourcomputerkeepsreceivingupdatesonrearwheelspeed andcontrolsbrakingpressureaccordingly. CAUTION I A Anti-lock frontwheelscan still stop rolling. If thathappens,releaseenoughpressure on the brakes to getthewheels rolling again so thatyoucansteer. Withthe four-wheel drive - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 196
Your Driving and fhe Road Brake System Warning Light K2325 This light appears on your instrument cluster to warnyou if your regular braking' system needs service. See "Brake System Warning Light" in the Index. Disc Brake Wear Indicators If youhavea C 3500 HD Model, it hasfour-wheeldiscbrakes. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 197
Brakes If you havereardrumbrakes,theydon'thavethewearindicators,but if you everheararearbrakerubbingnoise,havetherearbrake lining is arapidincrease in pedaltravel.Thiscouldbeasign of brake trouble. Brake Adjusiment Everytimeyoumakeabrakestop,yourdiscbrakesadjustforwear. If your - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 198
. The traction you can get in acurvedependson me condition ofyour tires andtheroadsurface,theangleatwhichthecurveisbanked,andyour speed.Whileyou're in .Thenyousuddenlyapplythe do their work brakes.Bothcontrolsystems-steeringandbraking-haveto wherethetiresmeettheroad.Addingthehardbrakingcandemandtoo - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 199
in front of you. You canavoidtheseproblemsby braking-ifyoucanstopintime.Butsometimesyoucan't;there isn'troom. That'sthetimeforevasiveaction Firstapplyyour brakes,butnotenough to lockyourfrontwheels. It isbetter to removeas muchspeedasyoucanfromapossiblecollision. Then steeraroundthe problem, - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 200
inches (100 mm)ormorebelowthe pavement, this difference can .cause problems. If there is not enough room to pull entirely onto .into the oncoming traffic before you can bring it back under control. Instead,easeoffagainontheacceleratorandsteeringinput,straddlethe pavementoncemore,then try again. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 201
. And if somethinghappens to causeyou to cancelyourpass,youneed onlyslowdownanddropbackagainandwaitforanotheropportunity. If othercarsare lined up to passaslowvehicle,waityourturn.But takecarethatsomeoneisn'ttrying to passyouasyoupullout to pass theslowvehicle - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 202
Let's review what driving experts say about what happens when the three controlsystems(brakes,steeringandacceleration)don'thaveenoughfriction where the tires meet the road to do what the correspond to your vehicle's three control systems. In thebrakingskidyourwheelsaren'trolling. In thesteering - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 203
-Road Driving with Your FourcWheel Drive Vehicle This off-road guide is forvehiclesthathavefour-wheeldrive. Also, see "Anti-lockBrakes" in short,you'vegoneright Surfacescanbeslippery,rough,uphill back to nature. Off-roaddrivinginvolvessome new skills. Andthat'swhy it'sveryimportant - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 204
to rememberabouthowto vehicle. Theheaviestthingsshouldbeontheloadfloorandforward axle.Putheavieritemsasfarforwardasyoucan. load your , besuretoreadthewinch Doesyourvehiclehaveawinch? a winchcan behandy if yougetstuck.But instructions.Inaremotearea, it properly. you'll want to knowhowtouse Getting - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 205
and its many different features. Here are some things to consider. Surface Conditions Off-roadingcanta.keyou.overhard-packeddirt,gravel,rocks,grass,sand, mud,snoworice.Eachofthese sutfaces steering, acceleration, and braking ofyourvehicle in differentways.Dependinguponthekindof surfaceyouareon - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 206
Your Driving and the Road Doesthetraveltakeyouuphillordownhill?(There'smorediscussion thesesubjectslater.) Willyouhavetostopsuddenlyorchangedirectionquickly? Whenyoudriveoverobstacles or roughterrain,keepafirmgriponthe steering wheel. Ruts,troughs,orothersurfacefeaturescanjerkthewheel if you' - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 207
Approaching a Hill Whenyouapproach a hill,youneed to decide if it's one of those hills that's to judge. just too steep to climb,descend, or cross.Steepnesscanbehard On a verysmallhill,forexample,theremaybe a smooth,constantincline withonly a smallchange in elevationwhereyoucaneasilyseealltheway - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 208
,release theparking brake, andslowlybackdownthe hill in reverse. If yourenginehasstoppedrunning,you'llneed to restartit.Withthe brakepedaldepressedandtheparkingbrake still applied,shiftthe transmission to P your wheels are straight or turned to the left or right as you back down. 0 0 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 209
to stopthevehicle.Thenapplytheparking brake.Shiftintoreverse,releasetheparkingbrake,andslowlybackdown just A: Settheparkingbrake,putyourtransmissionin P (Park)(orthemanual transmission in firstgear),andturnofftheengine.Leavethevehicleandgo getsomehelp.Exitontheuphillsideandstayclearofthe path - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 210
are locked, you can't steer your vehicle. Ifyourwheels lockupduringdownhillbraking,youmayfeelthevehiclestartingtoslide sideways. To regain your direction, just ease off the brakes and steer to keep the front of the vehicle pointing straight downhill. Q: Am I likely to stall whengoingdownhill? A: It - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 211
Driving Across an Incline Sooner or later,anoff-road trail willprobablygoacrosstheincline of a hill. If this happens, you have to decide whether to try to drive across the incline. Here are some things to consider: A hill thatcanbedrivenstraightup or downmaybetoosteep to drive or down a hill, - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 212
Your Driving and the Road Stalling on an Incline If yourvehiclestalls whenyou'recrossinganincline,besureyou(andyour passengers)getouton the uphill side, even if thedoorthere is harder to open. If yougetoutonthedownhillsideandthevehiclestarts to roll over, you'llberight in itspath. I - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 213
-roaddrivingproblems.Butheavyraincan meanflashflooding,andfloodwatersdemandextremecaution. it. Ifit'sdeep Findouthowdeepthewaterisbeforeyoudrivethrough enoughtocoveryourwheelhubs,axles,orexhaustpipe,don'ttryit-you probablywon'tgetthrough.Also,waterthatdeepcandamageyouraxleand othervehicleparts. If - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 214
. Thesesubstancescancauseglazingandunevenbraking.Checkthebody structure,steering,suspension,wheels,tires,andexhaustsystemfordamage. Also,check thefuellinesandcoolingsystemforanyleakage. Your vehicle will require more frequent service due Section 7 foradditionalinformation. to off-road use. Refer to - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 215
Slowdown,especiallyonhigherspeedroads.Yourheadlightscanlight uponly so muchroadahead. Inremoteareas,watchforanimals. Ifyou'retired,pullofftheroad in asafeplaceandrest. Night Vision No onecanseeaswellatnightas in thedaytime.Butaswegetolder thesedifferencesincrease. A 50-year-old driver may require at - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 216
Your Driving and the Road A Few More Night Driving Suggestions Keepyourwindshieldandalltheglassonyourvehicleclean-insideandout. of Glareatnightismademuchworsebydirtontheglass.Eventheinside theglasscanbuildupafilmcausedbydust.Tobaccosmokealsomakes if it'sleftthere. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 217
Theheaviertherain,theharder it is to see.Even if yourwindshieldwiper blades are in goodshape,aheavyraincanmake it hardertoseeroadsigns andtrafficsignals,pavementmarkings,theedge of the road,andeven peoplewalking.Roadspraycanoftenbeworseforvisionthanrain, especially if it comesfromadirtyroad. So it - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 218
Your Driving and the Road You mightnotbeaware of hydroplaning. You coulddrivealongforsometime withoutrealizingyourtiresaren'tinconstantcontactwiththeroad. You could findoutthehard way:whenyouhave to slow,turn,moveout to pass-or if you get hit by a gust ofwind.Youcouldsuddenly find yourself out of - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 219
Driving in Fog, Mist and Haze AM459002 Fogcanoccurwithhighhumidityorheavyfrost. It canbe so mildthatyou canseethrough it forseveralhundredfeet(meters). Or itmightbe so thick thatyoucanseeonly a fewfeet(meters)ahead. It maycomesuddenly to anotherwiseclearroad.Anditcanbe a majorhazard. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 220
the Road Tips on Driving in Fog Ifyougetcaughtinfog,turnyourheadlightsonlowbeam,even in daytime. You'llsee-andbeseen-better.Useyourfog lights if yourvehiclehasthem. off the water droplets that Don'tuseyour high beams.Thelightwillbounce makeupfogandreflectbackatyou. Useyourdefogger. In high humidity - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 221
as awarningsignal. A trafficlightistherebecause thecornerisbusyenough to needit.Whenalightturnsgreen,and just beforeyoustart to move,check both ways forvehiclesthathavenot clearedtheintersection ormayberunning the redlight. Obeyall posted speedlimits.Butrememberthattheyareforidealroad - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 222
freeway as you drive along the entrance ramp, you Try to determinewhereyouexpecttoblend should begin to check traffic. if it isheavy, withtheflow. If trafficislight,youmayhavenoproblem.But find a gap asyoumovealongtheenteringlaneandtimeyourapproach.Try tomergeintothegapatclosetotheprevailingspeed - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 223
youmuststartwhenyou're notfresh-suchasafter a day'swork-don'tplantomaketoomanymiles that first part of the journey. Wear comfortable clothing and shoes you can Engine Oil, OtherFluids: Haveyoucheckedalllevels? Lights: Aretheyallworking?Arethelensesclean? Tires: Theyarevitallyimportanttoasafe,trouble - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 224
Should -you delay your trip a short time to avoid a major storm system? Maps: Doyouhaveup-to-datemaps? ...On fhe Road . .- , Unless cool interior. ,x ! : ,..----:&-z. Keepyoureyesmoving.Scantheroadaheadandtothesides.Check , pull offtheroadintoarest,service,orparkingarea andtakeanap,getsomeexercise - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 225
Keepyourvehicleingoodshape.Checkall fluid levelsandalsothe brakes,tires,coolingsystemandtransmission.Thesepartscanwork hard I I you don't shift down,' your brakes could get so hot that they f b wouldn't work well. You would then have poor braking or even none going down a hill. You - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 226
. Stay .in your own lane when driving on two-lane roads in hills or mountains. Don't swing wide or cut across the center of the road. Drive atspeedsthatletyoustayinyourownlane.That way,youwon't be surprisedbyavehiclecomingtowardyou in thesamelane. e It takes longer to pass another vehicle when you - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 227
or parking areas provided for scenic viewing. to useyourparkingbrake(see"Parking Anotherpart of thismanualtellshow do onemore Brake" in theIndex).Buton a mountainorsteephill,youcan thing. You canturnyourfrontwheels to keepyourvehiclefromrolling downhilloroutintotraffic. Here'show: Downhill Parking - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 228
, contactisallyouneed. Parking Uphill I if there is acurb. A gentle If there is acurb,turnyourwheels of your vehicle. to the left if the curb is at the right side 1 AM470045 If you'regoinguphill on aone-waystreetandyou'reparking yourwheelsshouldpoint to the right. on the left side, 4-50 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 229
there is nocurbwhenyou'reparkinguphillontheleftside street,yourwheels should be turned to theleft. Torque Lock (Automatic Transmission) Ifyouareparkingonahillandyoudon'tshiftyourtransmissioninto P (Park)properly,theweight of thevehicle may puttoomuchforceonthe parkingpawl in thetransmission. Youmay - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 230
Your Driving and the Road Winter Driving AM480004 - Here are some tips for winter driving. Haveyourvehicleingoodshapeforwinter.Besureyourenginecoolant mix is correct. Snowtirescanhelp in loosesnow,buttheymaygiveyouless If you do notexpecttobedriving onicethanregulartires. snow, - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 231
AM48001 7 What'stheworst timeforthis?"Wetice.'' Very coldsnoworicecanbeslick andhardtodrive on. Butwet icecanbeevenmoretroublebecauseitmay offertheleasttractionofall. You canget"wetice"whenit'saboutfreezing (32°F; 0°C) andfreezingrainbegins to fall.Try to avoiddrivingonwetice - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 232
Your Driving and the Road If You're Caught in a Blizzard AM48002 If youarestopped byheavysnow,you could be inaserioussituation. You shouldprobablystaywithyourvehicleunlessyouknowforsurethatyouare to do to nearhelpandyoucanhikethroughthesnow.Herearesomethings - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 233
You willneedawell-chargedbattery(or batteries) to restart the' vehicle, and possibly for signaling later on with your If you 'have a diesel engine, you headlights. Let the help comes. If You're Stuck in Deep Snow This manual explains how to get the vehicle out ofdeepsnowwithout damagingit.See" - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 234
That will help your engine and other parts of your vehicle wear in at the heavier load$. Threeimportantconsiderationshave to do withweight: Weight Weight of the Trailer andhowmuchyourvehicleis Don'ttow atraileratallduringthefirst vehicle is driven. Yourengine,axle, 500 miles(800km) 'your new 4-56 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 235
at the address listed inyourWarrantyandOwnerAssistanceInformationBooklet. In Canada,writeto: GeneralMotorsofCanadaLimited Customer Assistance Center 1908 ColonelSamDrive Oshawa,Ontario L1H 8P7 Weight of the Trailer Tongue for Thetongueload(A)ofanytrailerisanimportantweighttomeasurebecause of your - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 236
and the Road Total Weight on Your Vehicle'sTires Besureyourvehicle'stires are inflated to the limit for cold tires. You'll in it to matchthehitchandsafety chainholesinthe bumper. If you'llbepullingatrailerthat, whenloaded, to the rear brakes. But don't port on the master cylinder that sends fluid - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 237
the lights and any trailer brakes are beyondthepassedvehiclebeforeyoucanreturn to yourlane. Backing Up Hold thebottom of withatrailer,makewiderturnsthannormal.Dothis so your trailerwheelswon'tstrikesoftshoulders,curbs,roadsigns,trees,or otherobjects.Avoidjerky orsuddenmaneuvers. Signalwell - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 238
Road driversbehindyouareseeing your signal whentheyarenot.It'simportant check occasionally to be sure the trailer bulbs or less to reduce the possibility of engine and transmission overheating. D (or, asyouneedto, D whentowing ,butdon'tshiftinto for a manual transmission. P (Park)yet, - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 239
'repulling a trailer.See theMaintenanceScheduleformoreonthis.Thingsthatareespecially important in trailer operation are automatic transmission fluid (don't overfill), engineoil,axlelubricant,belts,coolingsystem,andbrakeadjustment.Each oftheseiscoveredinthismanual - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 240
take-off, refer instructions. to themanufacturer'sorinstaller's To engageapowertake-off: 1. Set t h s parking brake. 2. Shiftthetransmissioninto N (Neutral). * 3. Holdtheclutchpedaldownandengagethepowertake-off. If you are going to drive the vehicle, shift the transmission into the gear (if - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 241
a Transfer Case Mounted Power Take-Off (Manual Transmission) 1. Settheparkingbrake. 2. Shiftthetransfercaseinto N (Neutral). a Transfer Case Mounted Power Take-Off (Automatic Transmission) 1 Set the parking brake. I 2. Shiftthetransfercaseinto 3. Shiftthetransmissioninto 4. Engagethepowertake-off - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 242
- 1 - . *I . "' I . I b I -.; ' ' . - - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 243
ems on the Road 1 Here you'll find what Section to do about some problems that can occur on the road . 5-2 Hazard Warning Flasher ...Other Warning Devices ...Jump Starting ...Engine Overheating...If a Tire Goes Flat 5-3 5-3 5-9 Towing Your Vehicle ...5-8 ...5-17 5-19 5-20 5-33 5-17 Changing - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 244
Hazard Warning Flashers I U I .~. .' AM505004 Your hazardwarningflashersletyouwarnothers.Theyalsoletpoliceknow on and youhaveaproblem.Yourfrontandrear turnsignallightswillflash off. But they won'tflash if youarebraking. L' I 1 I K2503 r Pressthebuttonin and off. to makeyour frontand rear - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 245
start your vehicle. But please follow the steps-below to do it safely. CAUTION Batteries can hurt They contain you. They can because: dangerous be you. I . diesel enginevehiclewithtwobatteries(ormore),you shouldknowbeforeyoubeginthat,especially in cold weather,youmay 5-3 a negative ground,bot - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 246
Pmbkms on the Road notbeabletogetenoughpowerfromasinglebattery to start your diesel engine. in anothervehicle If yourvehiclehasmorethanonebattery,usethebatterythat'sclosest to the starter-thiswillreduceelectricalresistance. 2. Getthevehiclescloseenough so thejumpercablescanreach, but be If theyare, - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 247
doing this,andsomehavebeenblinded.Use a flashiight if you need more light. . Be sure the batteries have enough water. You-don? need to adb water to the Delco Freedom* battery (or batteries) instailed in every new GM vehicle. But if a battery has filler caps, be sure the right f amount of fluid is - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 248
.Theotherend of thenegativecable doesn't gotothedeadbattery.Itgoes to aheavy unpaintedmetalpart on theengine of thevehicle withthe dead battery. 9. Attachthecableatleast 18 inches (45 cm)awayfrom thedeadbattery, but notnearenginepartsthatmove.Theelectricalconnection is just as goodthere,butthechance - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 249
Good Battery Dead Battery K2506 10. Now startthevehiclewiththe awhile. If it won'tstartafterafewtries, 12. Removethecables good batteryandruntheengine for 11. Trytostartthevehiclewiththedeadbattery. it probably needs service. oranyothermetal. in reverseorder to preventelectricalshorting. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 250
it withoutdamage. If your vehicle has been changed since it was factory-new,byaddingthings likefoglamps,aeroskirting,orspecialtiresandwheels,thesethings could bedamagedduringtowing. Beforeyoudoanything,turnonthehazardwarningflashers. Whenyoucall,tellthetowingservice: Thatyourvehiclehasrear - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 251
Is Coming From Your Engine: If K2509 I CAUTION A Steamfromanoverheatedenginecanburnyoubadly,even ifyou if yousee or hear justopenthehood.Stayawayfromtheengine it off andgeteveryoneawayfrom steamcomingfromit.Justturn thevehicleuntil it cools down.Waituntilthereisnosignofsteam or coolant before - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 252
Problems on the Road If yourenginecatchesfirebecauseyoukeepdrivingwithnocoolant,your T- ! costly rep; 1 would be not Iverec vehicle be can bac"lI damaged. by your warranty. If No Steam Is Coming From Your Engine: Ifyougettheoverheatwarningbutseeorhearnosteam,theproblemmay notbetooserious. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 253
Cooling System PO210 Whenyoudecideit'ssafe A. Coolantrecoverytank B. Radiatorpressurecap to lift thehood,here'swhatyou'llsee: C. Enginefan CAUTION '4 An electricfanunderthehoodcanstartupevenwhentheengineis notrunningandcaninjureyou.Keephands,clothing,andtools away from any electric fan. m If - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 254
you If theengineisoverheating,thefanshouldberunning. haveone)isrunning. If it isn't, your vehicle needs service. if theregularfanrunswhentheenginedoes. Start the engine again to see If it doesn't,yourvehicleneedsservice.Turn off the engine. How to Add Coolant to the Coolant Recovery Tank If youhaven - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 255
andaproperantifreeze. USE I ln cold weather,watercanfreezeandcracktheengine,radiator,heater :ore andotherparts.Usetherecommendedcoolant. PO206 I * You canbeburned A containsethyleneglycoland if youspillcoolantonhotengineparts. CoolQni it willburn if theengine parts are hut enough.Don - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 256
speed.Neverturnthecapwhenthecoolingsystem,includingthe radiatorpressurecap,ishot.Waitforthecoolingsystemandradiator if you haveturn pressure ever to the cap. pressure to capcool I 1 . ... K2Jll How to Add Coolant to the Radiator 1. You canremovetheradiatorpressurecapwhenthecoolingsystem - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 257
2. Thenkeepturningthepressurecap,butnowpushdownas you turn it. Removethepressurecap. K2341 3. Filltheradiatorwiththepropermix,up 4. Then fill thecoolantrecoverytankto to thebase of thefillerneck. COLD. 5. Putthecapbackonthecoolantrecoverytank,butleavetheradiator pressure cap off. 5-1 5 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 258
Prob/ems on the Road t e; K2550 6. Starttheengineandlet it rununtilyoucanfeeltheupperradiatorhose gettinghot.Watchoutfortheenginefan(s). 7. By thistime,thecoolantlevelinsidetheradiatorfillerneckmaybe lower. If thelevelislower,addmoreofthepropermixthroughthefiller neckuntilthelevelreachesthebase - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 259
air to cool the engine cooling is notrequiredandtheclutchdisengages. Youmay alsohearthisfan noise whenyoustarttheengine. asthefan clutch disengages. It willgoaway If a Tire Goes Fiat It'sunusualforatire to "blow If your tire goes flat, the next part shows how to changeaflattiresafely. to use your - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 260
Pmb/ems on the Road vnu I IVII A Changingatirecancauseaninjury.Thevehiclecanslip off the iac androlloveryouorotherpeople. You andtheycouldbebadly .. injured. Find a level dace to ,dbanr voy&&g. To heh Drevent ttfehiclefromm , E - , > 1 - -uttheshiftleverin 3. P (P to 1 (First) ur r hift - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 261
JACKING TOOL STORAGE (TWO AND NUT FOUR DOOR MODELS) -* TOOL RETAINER &# EXTENSION WRENCH JACK & TOOL JACKINGTOOLSTORAGE JACK & TOOL COVER EXTENSION WHEEL WRENCH RATCHET TOOL RETAINER JACK & TOOL STORAGEBOX JACKING I UUL sIUHAUt (CHASSIS CAB MODELS) JACK PB008 5-1 9 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 262
Problenrs on the Road Jack Storage Your jackandwheelratchetarebehindthepassengerseat.Turn.thewing if thereisone. nutcounterclockwiseandremovethecover Spare Tire i K2517 Your spare tire is either underneath the rear of the vehicle, or mounted to the If youhaveachassiscab,refertothe - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 263
Underbody Carrier I CAUTION To help avoid personalinjuryandpropertydamage,neverremove or restowa tire fromhoastowagepositionunderthevehiclewhilethe vehicle is supported by ajack.Always tighten the tire fullyagainst theunderside of thevehiclewhenrestowing. To Remove the Spare Tire a K2535 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 264
Problems on the Road " K2536 Attachtheratchet,withthe DOWN markingfacingyou, to thewheelwrench. in the Putthechiselend of thewheelwrenchonananglethroughthehole rearbumper.Besure thewheelwrenchconnectsintothehoistshaft. Turn theratchettotheleft to lowerthespare tire. Keep turningtheratchet - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 265
Fickup Bed Mounting K2518 To removethesparetire: 1. Turnthenutcounterclockwiseuntil , it comes off. 2. Pullthetire off of theboltandremoveitfromthebed. Chanaina the Tire ' K2519 Startwith the-jack,thejackhandleandtheratchet. If theflattireisonthe rear of thevehicle, - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 266
A LL T . . '2 K2521 Attachthejackhandle(andjackhandleextensions, if needed)tothejack.With you, rotatetheratchetclockwise.That will the UP markingontheratchetfacing lift thejackheadalittle.Beforeraisingthevehicle,dothefollowingthings. Putyoursparetireneartheflattire. Removethewheeltrim. K2367 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 267
K2369 Ifyour vehiclehaswheelnutcaps,removethemusingthewheelwrench. DOWN facing you, to unscrew Use thewheelwrenchandratchet,with off. andtakethem off. Thentakethehubcap If thewheelhasatrimring,remove wrench. it byusingtheflatend of thewheel K2368 If - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 268
the Position the jack under thevehicle. Gettingunderavehiclewhen it is jackedup is dangerous. If the A vehicle slips off thejack,youcouldbebadlyinjuredorkilled. Never getvehicle under when a it is supported only jack. by a * I I 5-26 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 269
Raising your vehicle with the jack improperly positioned will damage the vehicle or may allow the vehicle to fall off the jack. Be sure to fit the jack lift head into the proper location before raising yourvehicle. Front Rear . ...:? -,li PO288 Raisethevehiclebyrotatingtheratchetclockwise. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 270
P ! ! 6 / e m s the Road on K2527 Removeall the wheel nuts and take off the flat tire. 5-28 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 271
I CAUTION A Sustordirtonthewheel,or on theparts to which it is fastened, :an makethewheelnutsbecomelooseafter a time.Thewheel could come off andcauseanaccident.Whenyouchangeawheel, removeanyrustordirtfromtheplaceswherethewheelattaches to thevehicle. In anemergency,youcanusea cloth orapapertowel to - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 272
PmMems on the Road ' I .i - ,. 8' : T ,.I - .. Front Rear PO500 r Lower the vehicle by rotating the ratchet counterclockwise. Lower the jack completely. K2546 Tightenthenutsfirmly in acriss-crosssequenceasshown.Rotatetheratchet clockwise with the UP markingfacingyou. 5-30 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 273
Incorrectwheelnutsorimproperlytightenedwheelnutscancause off. Thiscouldlead thewheel to becomelooseandevencome i accident.Besure to usethecorrectwheelnuts.Ifyouhave p+p+ - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 274
wheel wrenchandjackextensionstotheirlocation behindthepassenger'sseat.Securetheitemsandreplacethejackcover thereisone. if Storing Tire ln Pickup Bed K2534 1. Placethe bolt throughthebottomwheelnuthole.Besurethevalve facesout. 2. Placethenutontheboltandturnitclockwiseuntilthetire is secure. 532 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 275
destroy parts of your vehicle as well as the res. If you spin the wheels too fast while shifting your transmission back .nd forth, you can destroy your transmission. Rocking aspossible.Releasetheacceleratorpedalwhile youshift,andpress lightly ontheacceleratorpedalwhenthetransmissionis a few tries, - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 276
Problents on the Road Using the Recovery Hooks ... \" . . . b K2456 Ifyouevergetstuck in sand,mud,ice or snow,yourvehiclemay be equippedwithrecoveryhooks.Therecoveryhooksareprovidedatthefront of to yourvehicle. Youmayneed to usethem if you'restuckoff-roadandneed be pulled to - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 277
K2457 ~ NOTICE Never use the recovery hooks to towthevehicle.Your by warranty. damagedanditwouldnotbecovered vehicle could be 5-35 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 278
, !l .i I . I - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 279
Checking Things Under the Hood ...6-17 Hood Release ...6-18 Cleaning Your Diesel Engine ...6-19 6-19 Noise Control System ...6.20 Engine Oil (Except Diesel) ...6-26 Engine Oil (Diesel Engines) ...Air Cleaner ...Manual Transmission Fluid ...Transfer Case ...Rear Axle ...6-31 6-36 6-39 6-33 Automatic - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 280
Service & Appearance Care Engine Coolant ...6-42 Power Steering Fluid ...6-46 Windshield Washer Fluid...6-48 Brake Master Cylinder...6-49 6-50 Replacing Brake System Parts ...Other Maintenance Items ...6-51 Lubrication...6-52 Electrical System ...6-54 6-54 Battery ...Bulb Replacement...6-54 Fuses - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 281
-trainedandsupportedservicepeople. Wehopeyou'llwanttokeepyourGMvehicle haveoneoftheqemarks: all GM.Genuine GM parts \ GM Doing Your Own Service Work If you want to dosomeofyourownservicework,you'llwanttogetthe . . General Motors Manual. Service It tells more how you much aboutto proper To - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 282
Service & Appearance Care 1 If youtrytodoyourownserviceworkwithoutknowingenoughabout 1 yourvehiclecouldbedamaged. it, I Maintenance . I Fuel (Gasoline Engines) Ifyourvehiclehasadieselengine,see"DieselFuelRequirementsandFuel System'' in this Section:Forvehicleswithgasolineengines,pleasereadthis - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 283
avoid these problems. - Gasolines for CIeaner Air Your useofgasolinewithdetergentadditiveswillhelppreventdepositsfrom forming in yourengineand fuel system.Thathelpskeepyourengine in tune for yourvehicle, andyouremissioncontrolsystemworkingproperly.It'sgood and you'll be doing your part for cleaner - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 284
system and engine. Your warrantywouldn'tcoverthi damage.And: Dieselfuel that hasbeenmixedwithengineoilcoulddamageyour engine and emission controls. Always check with your service fill yourfueltankonly andpeoplecouldbeburned. off. Don't try to "top if off ." until the automatic shuts nozzle I I 6-6 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 285
Cold Weather Operation In coldweather(below20"F,or -7°C)' use1-Dor"Winterized"Number 2-D fuel (a blend of 1-Dand2-D).Besureyougettherightfuel. In verycold temperatures(when it staysbelow 0°F or -18"C), useNumber 1-D. Ifyou' - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 286
fuel filter. 2) Temperaturesbelowfreezing. Drainfilter fuel immediately. If no watercanbedrained - watermaybe to check for frozen. air Open bleed . f you when warning drive this light is on, you damage can your fuel njection system and your engine. If the light comes on right after you efuel, - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 287
s d . I If there is water in your diesel fuel and the weather is warm or humid, fungusandbacteriacangrow in thefuel.Theycandamageyourfuel system.You'llneed a diesel fuel biocide to sterilize your fuel system. Your dealer can advise you if you ever need this. If your fuel tank needs to be purged to - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 288
Service & Appearance Care Running Out of Fuel (Diesel Engines) If theenginestallsandyouthinkthatyou'verunout 6.5L Engine c offuel, do this: 6.2L Engine P F - PO22 First,openthefuelfilterairbleedvalveorremovethescrew. then you areprobablyout of fuel. To restartyourengine: 1. If you' - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 289
10 to 15 secondsat a timeuntilyour enginestarts. Fuel Filter Replacement (6.5L Diesel Engines) Ifyouwanttochangethefuelfilteryourself,here'show to do it: 1 it, and you could beburned.Don't let it get on hot .engine parts, and keep matches ignition or other sources away. in thetank. 1. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 290
Service & Appearance Cave PO503 3. Thefilterisbehindtheaircleanerontheintakemanifold.Unscrewand take off thering nut fromthethetop of thefilterhead.Lifttheelement out of the filter head. 4. If thereisanydirtontheelementsealingsurface clean it off. of thefilterhead, ... t PO212 5. Line up - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 291
.Waitoneminutefor thestarter to cool. Do this untilyoucanseeclearfuelcomingfromthe air bleed valve. 8. Closetheairbleedvalveandreplacethefueltankcap. 9. Startyourengineandlet fuel filter for leaks. it idleforfiveminutes.Besure to checkyour Fuel Filter Replacement ( 6 2 Diesel Engines) Ifyouwant - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 292
Service & Appearance Care To removethefilter: 1. Turn off yourengineandsetyourparkingbrake. 2. Take off thefueltankcap.Thisreleasespressureinthetank. ..1 , K2669 3. Thefilter is behindtheaircleanerontheintakemanifold.Usinga screwdriver,separatebothbailwires.Takeoutthefilter. 4. If there is - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 293
forthestarter to cool. Do this until youcanseeclearfuelcomingfrom the air bleed valve. 8. Closetheair bleed valveandreplace the fueltankcap. it idleforfiveminutes.Besure to checkyour 9. Startyourengineandlet fuel filter for leaks. Fuels in Foreign Countries (Gasoline Engines) Ifyou plan - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 294
- 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 295
back turn aclickingnoise. way. tc "le:clo-'hise) until hear you I I NOTICE ~f you need a newcap,besure to gettherighttype. Your dealercanget me foryou. If you get the wrong type, it may not fit or -have proper denting, and your fuel tank and emissions system might be damaged. 1 Checking Things - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 296
Service & Appearance Cam r : i PO217 If yourvehiclehasairconditioning,theauxiliaryfanunderthehood canstartupandinjureyouevenwhentheengineisnotrunning. Keepyourhands,clothingandtoolsawayfromanyunderhood electricfan, if youhaveone. a fire.These Thingsthatburncangetonhotenginepartsandstart b - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 297
System Engine: the actslisted below. Removalorrenderingenginespeedgovernor, if so equipped,inoperative so as to allowenginespeed to exceedmanufacturerspecifications. Fan and Drive: Removalof fanclutch, if so equipped, or renderingclutchinoperative. Removalof fanshroud, if so equipped. Air Intake - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 298
Service & Appearance Care Exhaust: Removalofmufflerandlorresonator. Removalofexhaust pipesandexhaustpipeclamps. Engine Oil (Except Diesel) It's a good into the I K2613 To Check Engine Oil: Pull outthedipstickandclean it withapapertowel or cloth,thenpush it back in all theway.Remove it again - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 299
to add someoil.But you mustusetherightkind.Thispartexplainswhat kind of oilto use. For crankcasecapacity,see"CapacitiesandSpecifications" intheIndex. Don't add too much oil. If your engine has so much oil that the oil level gets above the upper mark that shows the proper operating range, your - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 300
K2543 What Kind of Oil to. Use: L.ook forthreethings: SG SG must be onthe.oilcontainer,eitherbyitselforcombinedwithother qualitydesignations,such as SWCC, SWCD, SF,SG,CC, etc.These letters show American Petroleum Institute (API) levels. of quality. ' @@qy$@ I f you use oils thatdon'thave the "SG - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 301
HOT WEATHER i t SAE SW-30 PREFERRED L A SAE low-30 COLD WEATHER IF NEiTHER SAE 5W-30 NOR SAE 1OW-30 GRADE OILS ARE AVAILABLE, SAE 30 GRADE MAY BE USED AT TEMPERATURES ABOVE 40 DEGREES F ( 4 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 302
Service & Appearance Care HOT WEATHER LOOK FOR THIS LABEL SAE 1OW-30 PREFERRED SAE 5W-30 above 0°F (-18°C) IF NEITHER SAE 5W-30 NOR SAE 1OW- - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 303
GMGoodwrench@oil(inCanada,GMEngineOil)meets all therequirements for your vehicle. Engine Oil Additives: Don'taddanything to youroil. Your GM dealer for your vehicle, then you need to change your oil and filter every 3,000miles (5000 km)or 3 months-whichevercomes first. VehicleswithLightDutyEmissions - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 304
Service & Appearance Care Engine Block Heater: Anengineblockheatercanbeabighelp if youhave to parkoutsideinvery cold weather, 0°F (-18°C) orcolder.Ifyourvehiclehasthisoption,see "EngineBlockHeater" in theIndex. What to Do with Used Oil: I CAUTION Usedengineoilcontainsthingsthathavecausedskincancer - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 305
it backinallthe way.Remove it again,keepingthetip lower. When to Add Oil: If theoil is at or belowthe ADD line,thenyou'llneed to addsome oil. Butyoumustusetherightkind.Thispartexplainswhatkind of oiltouse.Forcrankcasecapacity,see"CapacitiesandSpecifications''in the Index. Don'taddtoomuchoil. If - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 306
Service & Appearance Care Just fill it enough to putthelevelsomewhereintheproperoperatingrange. Push the dipstick all the way back in whenyou'rethrough. I ' What Kind of Oil to Use: Look for these two things: I K2396 I' . I : CElSG r ForSAE 15W-40 orSAE 1OW-30, CE must be - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 307
LOOK FOR THIS LABEL PO346 SAE 15W-40 AS showninthischart,SAE15W-40isbestforyourvehicle.However, it's going to be colderthan 60°F (16°C) youcanuseSAE1OW-30if beforeyournextoilchange.Whenit'sverycold,below 0°F (-18"C), you to improvecoldstarting. Also, with shoulduseSAE1OW-30 6-29 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 308
Service & Appearance Cam Engine Oil Additives: Don'taddanythingtoyour oil. YourGM dealeris readytoadvise somethingshouldbeadded. When to Change Engine door . Ifanyoneofthese is true for yourvehicle,thenyouneed to changeyour oil and filter every 2,500 miles (4000 km) or 3 months-whichevercomes first - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 309
dispose of oil byputting it inthetrash,pouring it toaplace or intostreams or bodies of water.Instead,recycleitbytaking If youhaveaproblemproperlydisposing of yourused thatcollectsusedoil. oil,askyourdealer, aservicestationoralocalrecyclingcenterforhelp. Air Cleaner I I PO216 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 310
Service & Appearance Care I IC\ Operatingtheenginewiththeaircleaner air cleaner is off, a backfire can cause a damaging engine fire. And, it. Alway! 3 tl dirt can get your easily into engine, will le which dan air cleaner in place when you're driving. To remove the air cleaner filter on a gas engine - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 311
Automatic Transmission Fluid When to Check and Change: A goodtime to checkyourautomatictransmission fluid leveliswhenthe engine oil is changed.Refer to theMaintenanceSchedule to determinewhen to changeyourfluid.See"ScheduledMaintenanceServices"intheIndex. How to Check: Because this operationcanbea - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 312
Senrr'ce & bmearance Care To check the fluid hot or cold: on alevelplace. Placetheshiftlever in P (Park)withtheparkingbrakeapplied. P (Park). Lettheenginerunatidleforthreeminutesormore. Then, without shutting off the engine, follow these steps: 1. Flipthehandleupandthen clean rag or paper - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 313
'' theproperfluidtobringthelevel Ifthefluid level is low,addonlyenoughof It up to the COLD area for a cold check or the HOT area for a hot check. doesn'ttakemuchfluid,generallylessthanapint. Don't overfill. We recommendyouuseonlyfluidlabeledDEXRON@IIE,becausefluidswiththat - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 314
meanthatsomeofthe fluidcouldcomeoutandfallonhotengineparts, if youcheckyour startingafire. Besure to getanaccuratereading transmission fluid. Check the fluid level only when your engine is off, the vehicle is parked on level place and the transmission is cool enough for you to rest your fingers on - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 315
How to Add Fluid: Here'show to add fluid.Refer to theMaintenanceScheduletodetermine whatkindoffluid to use.See"RecommendedFluidsandLubricants" in the Index. 1. Removethefillerplug. 2. Addfluidatthefillerplughole.Addonlyenoughfluidtobringthefluid levelup to thebottom of thefillerplughole. 3. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 316
- Service & Amearance Care When to Check and What to Use; Refer to theMaintenanceSchedule to determinehowoftenyoushouldcheck thefluidlevelin your clutchmastercylinderreservoirandwhattoadd.See "OwnerChecksandServices"and"RecommendedFluidsandLubricants" in theIndex. How to Check: K2344 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 317
Lubricant: Refer to theMaintenanceSchedule to determinehowoften to checkthe lubricant.See"PeriodicMaintenanceInspections" in theIndex. How to Check and Add Lubricant: I PO230 If the level is belowthebottom of thefiller plug hole,you'llneed to add somelubricant.Addenoughlubricanttoraisethelevel - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 318
Senrice d& Appearance Cam Front Axle When to Check and Change Lubricant: Refer to the Maintenance Sched,ule to determine howoftentocheckthe MaintenanceServices" in lubricantandwhen to changeit.See"Scheduled theIndex. How to Check Lubricant: PO231 If the. level is belowthebottomofthe - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 319
Rear Axle When to Check and Change Lubricant: Refer to the Maintenance Schedule to determine how often to check the lubricantandwhen to changeit.See"RecommendedFluidsandLubricants" in the Index. How to Check iubricant: L PO592 Ifthe level isbelowthebottom of thefillerplughole, you'll needtoadd - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 320
Service & Appearance ,Care Engine Coolant r PO593 Thefollowingexplainsyourcoolingsystemandhowtoaddcoolantwhenitis low. If youhaveaproblemwith-engineoverheating,see"Engine Overheating" in theIndex. The proper coolant for your vehicle will: Givefreezingprotectiondownto Giveboilingprotectionupto258 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 321
procedure. (To Service Manual orseeyourdealerforthepropercoolant purchaseaServiceManual,see"ServicePublications'' in theIndex.)Using thewrong fill procedurecancausealowcoolantwarningindication. If youhave to addcoolantmorethanfourtimesayear,haveyourdealer check your cooling system. NOTICE If you - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 322
Service & Amearance Care Adding Coolant r PO206 To CheckCoolant: Whenyourengineis cold, thecoolantlevelshould be at COLD, or alittlehigher.Whenyourengineiswarm,thelevelshould be up to HOT, oralittlehigher. LOW COOLANT K2327 If thislightcomeson, it meansyou're low onenginecoolant. ToAdd - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 323
it will burn if theenginepartsarehot enough.Don'tspillcoolantonahotengine. Radiator Pressure Cap K2515 1- I Your radiatorpressurecap is a 15 psi ( typecap must be tightly installed to prevent coolant loss and possible engine damagefromoverheating. Be sure the arrows on thecapline up w overflow - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 324
Service & Appearance Cam Thermostat Engine coolant temperature is controlled by a thermostat in theenginecoolant system.Thethermostatstopstheflowofcoolantthroughtheradiator until the coolantreachesapresettemperature. Whenyoureplaceyourthermostat,an AC@ thermostatisrecommended. Power Steering Fluid - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 325
When the enginecompartmentishot,the mark. Whentheenginecompartment COLD mark. level shouldbeat the FULL is cool,thelevel should beat the FULL F \ ' 'k + E . .e "' - : K2694 What to Add: Refer to theMaintenanceScheduletodeterminewhat kind of fluid to use. See"RecommendedFluidsandLubricants'' - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 326
fluiduntilthe K2469 - Whenusingaconcentratedwasherfluid,followthemanufacturer instructions for adding water. Don't water ready-to-use mix with washer Water use fluid. can the solution to freeze and damage your washer fluid tank and other parts of the washer system. Also, water doesn't clean - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 327
Brake Master Cylinder Your brakemastercylinderishere fluid isleakingout of thebrake a leakmeans system. If itis,youshouldhaveyourbrakesystemfixed,since So to check your brake fluid.See"PeriodicMaintenance"intheindex. To Check Brake Fluid: You can check the brake fluid without taking off the cap. Just - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 328
,asyourvehicledoeswhen it is new.Whenyoureplace parts of your braking system-forexample,whenyourbrakeliningsweardown and you GM have to havenewonesputin-besureyougetnewgenuine replacementparts. If youdon't,yourbrakesmaynolongerworkproperly. For example, if someoneputs in brake linings that are wrong - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 329
(160, 1600 and havethetorquesetatthefirst 9600 km).UsethetorquespecifiedintheappropriateSpecificationChartlater inthissection. Single Belt Accessory Drive Ifyournewvehicleuses a serpentinebelt,itislighter,andmoredurable thansystemswithseveralbelts. Thebeltrunsover oraroundthepulleys on theengine - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 330
. Air Conditioning Everynowandthenhaveyourdealershipcheckyourairconditioningsystem If youthinkthesystem to besureithasnotlostanycoolingability. workingproperly,haveyourdealershipcheckitoutassoonaspossible. Theairconditioningwillnotworkwhenthetemperatureisbelow40°F is not (4°C). Fluid Leak Check - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 331
engines,whentheengine is cold . in the 80dy Normaluse of yourvehicle will causemetaltometalwearatsomepointson the cab and body if they are not lubricated. Forexposedsurfaces,suchasdoorchecks,doorlockbolts,lockstriker to use. Lock Cylinders To besureyourlocksoperateproperly,theymustbelubricated - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 332
Service & Appearance Care You shouldnotusepenetratingoilsbecausetheycould washoutthefactory installedlubricantandcausethelocktobind.De-icers which containalcohol could alsowashaway in theIndexfortheproper Electrical System Battery Everynew GM vehiclehasaDelcoFreedom@battery. Youneverhave addwater to - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 333
Sealed Beam Headlights t i 1. Removethefourscrewsfromtheheadlightretainer. 2. Pulltheheadlightoutandremovetheretainer. 3. Unplugandremoveoldheadlight. 4. Pluginthenewheadlightandputit in place. 5. Installtheretainertotheheadlight. 6. Installthescrews. Halogen Bulbs - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 334
Service & Appearance Care Composite Headlights A I 1 PO234 1. Remove thetwoscrews at thetop of theradiatorsupport. 2. Pullthecompositeheadlightlensout. 3. Unplugtheelectricalconnector. 4. Turn bulb the counterclockwise remove and it. , 5. Put the new bulbinandturn it clockwiseuntil it is - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 335
Front Parkinflurn Signal Lights K2681 1. Remove thescrewsandtakeouttheparking/turnsignallightassembly. K2682 2. Squeezethetabontheside of the light socket while turning the socket counterclockwise. 3. Pulloutthesocket. 4. Push in gentlyonthebulb,turnitcounterclockwiseandremove it from the - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 336
Service & Amearance Care 5. Putthenewbulbintothesocket,gentlypress clockwiseuntil it istight. in on thebulband turn it it 6. Put thesocketbackintothelightassemblyandturnitclockwiseuntil locks. 7. Puttheparkinghurnsignallightassemblybackintothevehicleand tightenthescrews. Side Marker Bulb I I 1. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 337
Fender Marker Lights I PO248 1. Removethescrewsandtakethelensassemblyout of thefender. 2. Turnthe bulb socketcounterclockwiseandremoveitfromthelens assembly. 3. Pullthebulbstraightout 5. Putthesocketback tightenit. of thesocket. it in until it is tight. it clockwise to 4. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 338
Service & Appearance Cam Tailgate Marker Lights PO249 1. Use a screwdriver to gentlyprythelenslbulbassemblyfromthelens holder. 2. Unplugthethelenslbulbassemblyattheconnecterwire. 3. Pluginanewlendbulbassemblyandpushtheconnecterwireintothe holeinthetailgate. 4. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 339
2. Pull thebulbstraightout of thesocket 3. Put a newbulbintothesocketandpush 4. Replacethelensandtightenthescrews. 1. Removethescrewsand it in until it istight. Cargo Light , ... PO250 1. Removethescrewsandlift 2. Pull theoldbulbstraightout off thelens. in untilitistight. of thesocket 3. Put - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 340
Service & Appearance Care Rear Lights, Pickup Models I i 1. Openthetailgate. 2. Removethetworearlightassemblyscrewsnearthetailgatelatchand pull out the light assembly. u PO496 3. Removethescrewsfromthebulbretainerandtakeit assembly. 4. Pullthe old bulbstraightout 5. Put in anewbulb off - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 341
6. Replacethe bulb retainer. 7. Replacetherearlightassemblyandtightenthescrews. 8. Closethetailgate. Sear Lights, Chassis Cab Models U 1. Usingyourhands,peeltherubbersealawayfromthelens. I PO497 2. Liftthelens off thelightassembly. 3. Slidethesocketout of thelightassembly 6-63 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 342
Service & Appearance Care 4. Push in gentlyonthebulb,turn the socket. it accessories.Whenthecurrent load istooheavy,thecircuitbreakeropens andcloses,protectingthecircuituntiltheproblemisfixed orgoesaway. Trailer Wiring Harness Theoptionalseven-wiretrailerwiringharness is protectedbyan in-line - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 343
information. Exhaust System To helppreventdamage to yourexhaustsystem,donotcontinue your vehicle if younotice: Engine misfiring to drive Loss of performance Other unusual operating conditions Haveyourengineandexhaustsystemservicedregularly. Three-Way Cataiytic Converter Your vehicle'sthree - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 344
vehicles below 8,500 lbs. GVWR) Gasoline Engines Thissystemhasanoxygen (OS) sensorthathelpskeepyourengine'sair-fuel If youuse mixtureataproperlevel.Useonlyunleadedfuelinyourvehicle. (OS) sensorandthree-way leadedfuel,youcoulddamageyouroxygen catalytic converter. Diesel Vehicles Below 8,500 LBS. GVWR - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 345
I -1 r , NeverexceedtheGVWRforyourvehicle,or (GAWR) for either the front orrearaxle. the Gross, Axle Weight it out. Rating- And, if you do have a heavyload,youshouldspread r!\ - In a sudden stop or collision, things carried in the bed your truck could shift forward and come into the - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 346
Service & Appearance Care A Do yourvehicleanyheavierthanthe G R orthe - b can notloadoritcanchangethewayyourIfvehicledo, a crash. 9 Put things in thecargoarea of yourvehicle.Try to spreadthe weight evenly. 9 Neverstackheavierthings, like suitcases,insidethevehicle thatsome of them are above the - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 347
). to include the weight of everything you Whenyouweighyourtrailer,besure put in it.And,rememberto figure the weight of the people inside as part of your load. -before you buy and install the new equipment. ~ __ ~ Your warranty doesn't cover parts overloading. or components that fail because - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 348
,. * . ' Service & Appearance Care Truck-Camper Loading Information Openyourgloveboxdoorand look forthislabel: PO338 Thislabelwilltellyouhowmuch of aloadyourvehiclecancarry,andhow Also, itwillhelpyoumatchtheright to spreadoutyourloadtherightway. slide-in camper to your vehicle. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 349
- I 1 . Recommended location for cargo center of gravity for cargo weight rating (Pickup Truck). Note: Use rear edge accessories or otherequipmentyouadd to your vehicle. Then,subtractthisextraweightfromtheCWR.Thisextraweightmayshorten the center orcamper. Whenyouinstalland instructions. tie down - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 350
you spread out the weight You'llgetthebestperformance right way, and if youchoosethecorrecthitchandtrailerbrakes. For moreinformation,see"TrailerTowing" in theIndex. ofyour load the If you wantmoreinformationoncurbweights,cargoweights,cargoweight rating and the correct center of gravity zone for - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 351
as a result of too much friction. You could have an air-out and a seriousaccident. See "Loading Your Vehicle" in the Index cause serious injury. Check all tires frequently to maintain the recommendedpressure.Tirepressure should be checked when your tires are cold. Overinflatedtiresaremore likely - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 352
Service & Appearance Care WhentoCheck: Checkyourtiresonceamonthormore. tirepressure of thesparetire. Also, checkthe How toCheck: Useagoodqualitypocket-typegage to checktirepressure. if you Simplylookingatthetireswillnottellyouthepressure,especially haveradialtires- - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 353
- Inflationpressuresshouldneverexceed inflationspecifiedforthemaximumload I youhave 19.5 inchradialtires f 10 psi (70 kPa)abovethe of thetire. onyourvehicle,and: - You'llbedrivingforverylongatspeedsof 66 mph (105 km/h)to 70 mph (110 km/h)wherelegal,inflatetiresto 5 psi (35 kPa)morethan - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 354
Senrice & Appearance Care ur m a" 8 U a i= t Y cn W PO204 6-76 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 355
r K2691 6-77 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 356
Service & Appearance Cam Tire lnspecfion and Rotation To makeyour tireslastlonger,havetheminspectedandrotatedatthe mileagesrecommended in Index. properlytightened. See"WheelNutTorque" nuts are A Rust or dirtona wheel,or onthe parts to which -it i fastened,can s make the wheel nuts become loose - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 357
Dual Tire Rotation K2659 Useoneofthesepatterns on thefrontand rear. if you havethesame tire sizesand load ranges 1 K2660 Usethis pattern if yourfrontandreartiresaredifferentsizesor Whenyouinstalldualwheels,besuretheventholes lined up. load ranges. in thewheelsare 6-79 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 358
Service & Appearance Cam When It's Time for New Tires K1656 Oneway to tell whenit'stime for new tires is to check the treadwear 2/32 inch (1.6 mm) or indicators,whichwillappearwhenyourtireshaveonly less of treadremaining. You needanewtire if: You canseetheindicatorsatthreeplacesaroundthetire. You - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 359
, the tire canoverheat. Anoverheatedtirecanloseairsuddenlyor catcl. fire. Youor others could beinjured.Besurealltires(includingthe spare, if any) are properlyinflated. I Buying New Tires To find outwhat kind and size of tires you need, look at the Certificationflire label.Thetires installed - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 360
Service & Appearance Care Traction-A, B, C Thetraction grades,from highest to lowestare: A, B, and C. Theyrepresent the tire's ability to stop on wetpavementasmeasuredundercontrolled conditionsonspecifiedgovernmenttestsurfaces ofasphalt and concrete. A tire marked C mayhavepoortractionperformance. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 361
,,replace it (exceptsomealuminumwheels,whichcan if anyof these conditions sometimesberepaired).SeeyourGMdealer exists. Your dealer will know what If youneed to replace any of'your wheels,wheelbolts,orwheelnuts, replacethemonlywith new GM originalequipm-entparts.This way, you will be sure to have the - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 362
Service & Appearance Care Tire Chains If your vehicle size for your tires. Install them on the tires of the rear axle. Tighten the as tightly possible the securely as with ends fastened. Drive you strike a match or get them on a hot part of if you breathe their fumes in a thevehicle.Somearedangerous - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 363
Type Cleaner on Fabric Vacuum andbrushthearea to removeanyloosedirt. Alwayscleanawholetrimpanelorsection.Masksurroundingtrimalong stitch or welt lines. Mix Multi-PurposePowderedCleanerfollowingthedirectionsonthe container label. Usesudsonlyandapplywitha Don'tsaturatethematerial. Don't rub it roughly - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 364
Service & Appearance Care Rinsethesectionwithaclean,wetsponge. Wipe off what's leftwithaslightlydamppapertowelorcloth. Thendry it immediatelywithan air looking new. Furtherinformationoncleaning Minnesota, 1-800-642-61 67). is availablebycalling1-800-433-3296 (in Special Cleaning Problems Greasy or - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 365
Non-GreasyStains: Likecatsup,coffee(black),egg,fruit,fruitjuice,milk, soft drinks,wine,vomit,urineandblood. Carefullyscrapeoffexcessstain,thenspongetheplacewithcoolwater. If astainremains,followthefoam-typeinstructionsabove. Ifanodor lingersaftercleaningvomit orurine,treattheareawitha to 1 cup - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 366
Service & Appearance Care Don'tuseabrasivecleanersonglass,becausetheymaycausescratches. Avoidplacingdecalsontheinsiderearwindow,sincetheymayhave scraped off the outside windshield with GM WindshieldCleaner,Bon-AmiPowder@ (GM Part No. 1050011). The windshield is clean if beadsdo notformwhen yourinse - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 367
or leave swirl marks. Protecting Exterior Bright Metal Parts Brightmetalpartsshouldbecleanedregularly to keeptheirluster.Washing withwater is all thatisusuallyneeded. 1 NOTICE If you have aluminum wheels, don't use an automatic vehicle wash that off the has hard silicon carbide cleaning brushes. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 368
Service & Appearance Care Finish Damage Any stonechips,fracturesordeepscratches in miles (20 000 km)ofpurchase, sold whichevercomes first. Thisappliesonlytomaterialsmanufacturedand by GeneralMotors.Bodies,bodyconversionsorequipmentnotmade or sold by GeneralMotorsarenotcovered. Your 6-90 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 369
Appearance Care Materials PART NUMBER SIZE 1050172 1050173 16 1050174 1050214 32 16 oz. (0.473L) oz. (0.473L) 16 oz. (0.473L) oz. I050729 1051055 16 1051398 1052870 16 8 oz. (0.237L) - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 370
Service & Appearance Care Vehicle identification Number (VIN) KO641 Thisisthelegalidentifier for yourvehicle. It appears on Engine Identification The eighth character in your VIN is the engine code for your GM engine. Thiscodewillhelpyouidentifyyourengine,specifications,andreplacement parts - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 371
I i 4 4 4 I I Of I I PO172 6-93 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 372
& Appearance Care Service Parts Identification Label WMEELBASE I Service Par+s Identification VEHICLE IOENTlFlCATlOP NUMBER 00 NOT REMOVE )MODEL DESIGNATION < t P R l lon't add anything electrical to your vehicle unless you check with your iealer first. Some electrical equipment can damage - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 373
,or dealer. Engine Identification Produced Fuel VIN Liter Emissions BY Displacement Type EngineCode System * 2 TBI LightDutyEmissionswith8500GVWRandbelowor: HeavyDutyEmissionswith8501GVWRandabove. TO035 Wheel Nut Torque MODEL C 1500 K 1500 & C-K 2500 C-K 2500 (w/C6P) C-K3500SingleRearWheels - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 374
Service & Appearance Care Cooling Systen Capacity With N C Without N C ENGINE 10.9Quarts(10.3Liters) 10.9Quarts(10.3Liters) becheckedasoutlinedunder"EngineCooling *Afterrefill,thelevel System"inSection 5. TO036 Crankcase Capacity With Filter WithoutFilter ENGINE VIN CODE Z 4.5 Quarts(4.3Liters) - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 375
Refrigerant Capacity TYPE* QUANTITY RefrigerantR-12 2.5 Ibs. (1.134kg) *Not air all conditioning refrigerants the are same. If the conditioning air system your in vehicle needs refrigerant, sure proper be the refrigerant is used. If you'renotsure,askyourGMdealer. TO223 Fuel Tank Capacity - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 376
Service & Appearance Care Light Bulb Data 6-98 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 377
Soon") UpshiftIndicator Glow PlugsLamp* LowCoolantLamp* ServiceFuelFilterLamp* only "Diesel **Crew Cab Only tCanadian 74 74 Vehicles only t0390 Service Replacement Part and Filter Recommendations Oil Air PCV Spark** Engine Filter (VIN) - Cleaner Valve Plugs 4.3 (Z) PF51 A1 78CW CV789C CR43TS - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 378
Back-upLamps,TurnSignals 10 Amp EMCllgn T.C.C., AirDiverter,E.S.C.,E.G.R.,E.C.M. Ign.,R.W.A.L.BrakeSwitch Inj.A 10 Amp ThrottleBodyInjectors 15 Amp Brake ,RearWindowDefogger 5Amp Crank Crank,Discreet 25Amp FourWheelDrive 4WD 15 AmD DaytimeRunningLights DRL Aninlinefuse is usedfortheunderhoodlamp - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 379
HTR AIC WIPER BU 4WD CTSY -4 ;3 11 n PARK LP PANEL LPS tI ~ TRANS STOPIHAZ CRANK p050 6-1 01 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 380
8...? .: 1 P ?: ... - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 381
...Your Vehicle and the Environment ...Recording Maintenance Services ...Selecting Your Vehicle's Maintenance Services ...GasolineEngineswithLightDutyEmissionsMaintenance Schedule I ...GasolineEngineswithLightDutyEmissionsMaintenance Schedule II ...GasolineEngineswithHeavyDutyEmissionsMaintenance - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 382
Scheduled Maintenance Services Explanation of Scheduled Maintenance Services ...Recommended Fluids & Lubricants...Maintenance Record ...7-18 7-25 7-27 Owner Checks and Services ...7-22 Service Station Checks ...7-28 7-2 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 383
air we breathe. Improperfluidlevelsoreventhewrongtireinflationcanincrease the level of emissionsfromyourvehicle. To helpprotectourenvironment,and to help keepyourvehicle in good condition,pleasemaintainyourvehicleproperly. Recording Maintenance Services the back of Section 8, "Customer - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 384
Your selecting The Proper Maintenance Services To findthepropermaintenancescheduleforyourvehicle,youmustknowtwo things.Whatengineyourvehiclehas, Chart Your enginetype(GasolineorDiesel)anditsemissionsclassification(Light to use. Duty3rHeavyDutyEmissions)willtellyouwhichmaintenancechart - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 385
Code Z H K C J F V8/TBI N Engine Description HD HD LD TO268 1 - L . . NOTE:TBI I s a throttle body injection system. Selecting the Proper Maintenance Schedule Here ,is how to tell whichschedule to follow once none of the above conditions are true. Scheduleby II is shown chart. (.) on the 7-5 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 386
Scheduled Maintenance Services GASOLINEENGINESWITHLIGHT DUTY EMISSIONS- *An EmissionControlService **See"Explanation of ScheduledMaintenanceServices" in thissection. tTo determinetheemissionsclassification ofyourenginerefer to "Selectingthe ProperMaintenanceChart" in thissection. 7-6 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 387
MAINTENANCESCHEDULE It 7-7 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 388
Scheduled Maintenance Services GASOLINEENGINESWITHLIGHTDUTYEMISSIONS- FOOTNOTES: *An EmissionControlService **See "Explanation of ScheduledMaintenanceServices''inthissection. tTo determinetheemissionsclassification of yourenginerefer to "Selectingthe ProperMaintenance Chart" in thissection. TO332 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 389
MAINTENANCE SCHEDULE Ilt 7-9 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 390
WITH HEAVY DUTY EMISSIONS- I If your drivingconditionsmeetthosespecified in "ScheduledMaintenance FOOTNOTES: ' An Emission Control Service '*See"Explanation of ScheduledMaintenanceServices" in thissection. A AlsoaNoiseEmissionControlService IApplicableonly to vehicles sold in theUnitedStates - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 391
MAINTENANCE SCHEDULE It If yourdrivingconditionsdo NOT meetthosespecified in "Scheduled MaintenanceServices"in this section,useMaintenanceSchedule II (4. THESERVICESSHOWNONTHISCHART UP TO 60,000 MILES (100 000 km) ARETO BE DONEAFTER 60,000 MILES AT THESAMEINTERVALS. TO340 7-1 1 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 392
Scheduled Maintenance Services GASOLINEENGINESWITH HEAVY DUTY EMISSIONS- 7-1 2 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 393
MAINTENANCESCHEDULE Ilt If yourdrivingconditions do NOT meetthosespecifiedin"Scheduled MaintenanceServices"inthissection,useMaintenanceSchedule II h), 54 57 60 90 95 100 . e e e e e e e THE SERVICES SHOWN ON THIS CHART UP TO 60,000 MILES (100 000 km) ARETOBE DONE AFTER 60,000 MILES AT - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 394
000 km), exceptwhenoperatingindusty conditions. Dusty conditions may require more frequent filter replacement. Extreme dust and dirt operating conditions (off-road), may require air the filter to be checkedasoften asevery300miles(483km) and replaced as necessary. * An Emission Control Service ** See - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 395
MAINTENANCE SCHEDULE It If yourdrivingconditions do NOT meetthosespecifiedin"Scheduled THESERVICESSHOWNON THIS CHART UP TO 60,000 MILES (100 000 km) ARETOBEDONEAFTER 60,000 MILES AT THESAMEINTERVALS. TO341 7-1 5 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 396
Scheduled Maintenance Services 6.2L AND 6.5L DIESEL ENGINESIf yourdrivingconditionsmeetthosespecifiedin"ScheduledMaintenance Services" in this section,useMaintenanceSchedule I (4. 7-1 6 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 397
MAINTENANCESCHEDULE Ilt THESERVICESSHOWN ON THISCHART UP TO60,000MILES (100 000 km) ARETOBEDONEAFTER60,000MILES AT THESAMEINTERVALS. TO336 7-1 7 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 398
viscosity oil for your vehicle's engine (e.g.SAE5W-30 or10W-30),see"EngineOil" in theIndex. 2. CHASSISLUBRICATION -Lubricate thefrontsuspension,king pin bushings,steeringlinkage,transmission,andtransfercaseshiftlinkage, parkingbrakecableguides,propshaftsplines (2wheeldrive),brake pedal springs,and - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 399
conditions. 7. FRONTWHEELBEARINGREPACK (2 WHEELDRIVEONLY) -Clean andrepackthefrontwheelbearingsateachbrakerelining,oratthe specifiedinterval,whichevercomesfirst. 8. TRANSMISSIONSERVICE AutomaticTransmission -Change the transmission fluid and filter cracks or other damage. Check the wire boot fit - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 400
Scheduled Maintenance Services 13. EGRSYSTEM INSPECTION* -ConductEGRSYSTEMCHECKas described in theServiceManual. 14. ELECTRONICVACUUMREGULATORVALVE(EVRV) INSPECTION* - .)Withtheengine off andbelow INSPECTI0NA.-(If normaloperatingtemperature,check to seethatthefancanberotated by hand on fluid - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 401
new, havethewheelfastenertorquesetat the first 100, 1,000 and 6,000 miles(160,1600and 10 000 km). For3500H.D.Models,block keepthevehiclefromrolling. thetiresoppositethosebeingremovedto as 25. DRIVEAXLESERVICE -Check readfront axle inspectedandrepaired at once. a problem.Havethem 7-2 1 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 402
,wheelcylinders,parking or dirtfromthewheeland brake,etc.,atthesametime.Removeanyrust mountingsurfacesbeforemountingthewheel. Inspectbrakesmoreoften frequentbraking. if drivinghabits orconditions resull In Owner Checks and Services Listed below are owner checks and services which should be made - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 403
pressingthelever.Thekeyshould turn to Lock only withthekeylever depressed. Onallvehicles,thekeyshouldcomeoutonlyin Lock. I Parking brake andtransmission P (PARK) mechanismoperation - CAUTION 4 I Whenyou are doing this check,yourvehicle could begin to move. You or others could be injured and - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 404
service department or other qualified service center do .Removeallexternaldepositsfromtheinjector Do this when theengine is cold pumpfacecamon6.2Land6.5Lengines. andnotrunning. Do not DriveAxleService -Check readfrontaxle fluid levelandaddasneeded. Check constant velocity joints and axle seals - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 405
ParkingBrakeCables PowerSteeringSystem Manual Steering Gear Automatic Transmission Manual Transmission: I GM DexronB IIE AutomaticTransmission Fluid (GM Part No. 12345881). GasLine De-lcer (GM Part No. 1051516). Spray-A-Squeek (GM Part No. 1052277). Chassisgreasemeetingrequirements of NLGlGrade - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 406
Services Recommended Fluids & Lubricants HoodLatchAssembly a. Pivots and spring anchor b. ReleasePawl FrontWheelBearings a.Engine oil (GM Part -M (GMPart No. 1052497) Engineoil Useregularengine oil or a synthetic light weightengine oil (SAE 5W-30). Chassisgreasemeetingrequirements GM-6031(GMPart No. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 407
Maintenance Record Aftereach of theprecedingScheduledMaintenanceServices is performed, recordthedate,odometerreading,servicesperformed(listitemnumbers)and whoperformedtheservices in theappropriatecolumn.Inaddition,retain copies of yourreceipts. It issuggestedthatreceiptsbekeptwithyour Owner'sManual. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 408
Scheduled Maintenance Services Service Station Checks It isimportantfor you or aservicestationattendanttoperformthese fill. under-hoodchecksateachfuel Checktheengineoillevelandadd Checktheenginecoolantlevel necessary. SeetheseitemsintheIndex if necessary. in therecoverybottleandadd if necessary. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 409
L PO209 7-29 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 410
. .. , c .'I I? c I . "C - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 411
Information i Section HereyouwillfindouthowtocontactGMCTruck if youneedassistance. how to obtain service publications and how to Thissectionalsotellsyou report any safety defects. Customer Satisfaction Procedure ...Customer Assistance for HearinglSpeech Impaired 8-2 8-3 ... GM Participation in - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 412
Customer Assistance Information Customer Satisfaction Procedure Your satisfactionandgoodwillareimportant to yourdealerandGMCTruck ,it appearsyourconcerncannotberesolvedbythedealershipwithoutfurther help,contacttheGMCTruckConsumerRelationsManagerbycalling 1-800-GMC-TRUCK (1-800-462-8782). InCanada - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 413
personnel.Thatis whywe suggestyoufollowStepOnefirst concern. Customer Assistance for the Hearing or Speech withGMCTruckbydialing: In the United States ...1 -800-GMC-TKTD In Canada ...1-800-263-3830. freenumber:1-800-955-5100.Forfurtherinformationabout LINE, Council of Better mayalsowriteto:BBBAUTO - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 414
Customer Assistance Information In order to fileaclaim,youwillhave to provideyournameandaddress,the vehicle identification number ( not yourcomplaint to thetimeadecisionisrendered(or first contact your dealer or GMC Truck). of resortingtothe Weencourageyou to usethisprogrambeforeorinstead courts. We - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 415
.This service combines the efforts of technically trained telephone representatives with a network ofGMCTruck'sdealerservices. Justdial GMCTruckRoadsideAssistanceat1-800-GMC-TRUCK questionsaboutRoadsideassistance, call the GMCTruckRoadside Assistance Center or Contact your dealer. In - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 416
Customer Assistance Information Service Publications InformationonhowtoobtainProductServicePublications,Subscriptionsand US. states(andthe Indexesasdescribedbelowisapplicableonlyinthefifty fix yourvehicle.Theycanhelpa condition.Othersdescribeaquickerwayto technicianserviceyourvehiclebetter. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 417
Individual PSP'S Ifyoudon'twant to buy allthe PSP's issuedbyGMCTruckforallmodels in themodelyear,youcanbuyindividualPSP's,such as thosewhichmay to seeourindex pertaintoaparticularmodel. Todo this,youwillfirstneed of PSP's. It providesavariety of information.Here'swhatyou'llfindinthe indexand - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 418
Customer Assistance haformation Copies at Participaiing Dealers Copies of IndexesandindividualPSP'sareatyourparticipating dealer. You canask to seethem. GMC Truck A . GMC Truck reserves the right to changetheseprocedureswithoutnoticeafter November, 1992. GMC Truck Service Publications - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 419
- 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 420
1993 SERVICEPUBLICATIONS ORDERINGINFORMATION You can get manuals that tell how to operate and service your vehicle. To order them, fill out the order form on the next page and send the address below. GMC Truck Service Publications Post Office Box 436006 Pontiac,MI48343 it to If you have questions - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 421
i i I I I I I I I I I I I I I I I I I I I I I m I 1 I I I I I I I 0 0 0 o * W 0 5 a lA 0 I - - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 422
... j : t r - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 423
I I I I I I I I1 I I I I I I N I I I -* .% I E I I I I I I I v) v) 0 cl w Z a X w 92 U 3 k (3 0 I I I I I I I I 4 > 0 P a w I ui W G b 9) I I I I I I I I I I I I I I I - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 424
- 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 425
A Battery...6-54 Belts "Safety (See Belts") BetterBusinessBureauMediation8-3 Bliizard ...4-54 Brakes 'Adjustment...4-19 Antilock ...4-16 .6.49 Fluid ...Leak Check ...6-52 Master Cylinder ...6-49 2-29 Parking...4-19 Pedal Travel ...Rear Drum ...;...4-19 Replacing Parts ...6-50 SystemWarningLight .2. - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 426
TapePlayer (See "AudioSystems") Catalytic Converter ...6-65 Certificationnire Label Problems ...6-86 Vinyl or Leather ...6-87 Wheels and Tires ...6-89 Windshield ...6-88 5 Clock ...3-1 2. 3-1 ComputerCommandControl System ...6-66 Conversion to Chassis Cab ...6-72 Coolant(See"Engine") Cooling System - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 427
Gage ...2-88 Automatic Transmission ...6-33 Fuel Gage ...2-87 Brake ...6-49 Odometer ...2-76 Coolant ...5-12. 6-42 Oil Pressure Gage ...2-89 Front Axle...6- 40 Speedometer...2-76 Hydraulic Clutch ...6-37 Tachometer ...2.76, 2-78 Leak Check...6-52 ...2-77 Odameter Trip Manual Transmission ...6-36 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 428
...5.19. 5-31 5-3 Jump Starting ... K Key Release Lever ...2-11 Keys ...2-3 L Lights...2-53 Brake System Warning...4-18 Bulb Replacement ...6-54, 6-98 Cargo Lamp ...2-58, 6-61 Charging System Light ...2-82 Check Gages Light ...2-84 Dome Lights ...2-56 Fender ...6-59 Fog Lamps ...2-54 Glow Plugs - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 429
- 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 430
8-8 Replacement. Parts and Filter Recommendations ...6-99 ServiceEngineSoon Light ...2-83, 6-66 S Service Station Checks ...7-28 Shift Indicator Light ...2.27. 2-85 Shifting Into Park ...2-30 Single Belt Accessory Drive ...6-51 Sliding Rear Window ...2-40 Spare Tire ...5-20 Pickup Bed Mourrting - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 431
Four-wheel (See "Four-Wheel Drive") Manual Shift Speeds ...2-28 Shift Light...2-27 TorqueLock(Automatic Transmission) ...2.30. 4-51 Trip Odometer ...2-77 ...0-3 Identification Number ...6-93 4-26 Loading...Symbols ...0-4 Ventilation System ...3-2 Air Vents ...3-3 Tips ...3.2 Voltmeter...2-90 9-7 - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 432
NOTES - 1999 GMC Sierra 1500 Pickup | Owner's Manual - Page 433
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