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1993 Chevrolet Suburban Owner's Manual - Page 357

1993 Chevrolet Suburban Manual

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Scheduled Maintenance Services 13. EGR SYSTEM INSPECTION* -Conduct EGR describedintheServiceManual. SYSl /l CHECK as 14. ELECTRONICVACUUMREGULATORVALVE (EVRV)INSPECTION* -Inspect filter for excessive contamination orplugging. If required,clean dry and elementwithasolution of biodegradablesoapandwater,let reinstallelement. 15. ENGINETIMINGCHECKANDDISTRIBUTORCHECK (SOME MODELS)* -Adjusttimingtounderhoodlabelspecifications.Inspectthe insideandoutside of thedistributorcapandrotorforcracks,carbon trackingandcorrosion.Cleanorreplaceasneeded. 16. FUEL TANK,CAPANDLINESINSPECTION* -Inspect the fuel tank, for capandlines for damageorleaks.Removefuelcap,inspectgasket an evenfillerneckimprint,andanydamage,Replaceparts as needed. 17. THERMOSTATICALLYCONTROLLEDAIRCLEANERINSPECTION* A-(If so equipped.) Inspect all hoses and ducts for proper hookup. Makesurevalveworksproperly. 18. ENGINEACCESSORYDRIVEBELT(S)INSPECTION* --Inspectbelts. Look for cracks, fraying, wear, and proper tension. Adjust or replace as needed. 19. EVAPORATIVECONTROLSYSTEM(ECS)INSPECTION* -Check fuelandvaporlinesandhosesforproperhookup,routing,andcondition. Checkthatthepurgevalveworksproperly,ifequipped.Replaceas needed. all Awlnspect 20. SHIELDSANDUNDERHOODINSULATIONINSPECTION shields and underhood insulation for damage orlooseness.Adjust or replaceasrequired. 21. AIR INTAKESYSTEM INSPECTlONAWCheck theairintakesystem installation to see that gaskets are seated properly and all hose Also checktobe connections,fasteners,andothercomponentsaretight. fits surethattheaircleanerhousingisproperlyseated,thatthecover tightly,andthewingnutsaretight.Tightenconnectionsandfastenersor replacedamagedpartsasrequired. 22. THERMOSTATICALLYCONTROLLEDENGINECOOLINGFAN off andbelow INSPECTIONAB-(If so equipped.)Withtheengine normaloperatingtemperature,check to seethatthefancanberotated by handon fluid couplingorviscousdrives.Replace asnecessary. *AnEmissionControlService A AlsoaNoiseEmissionControlService Applicableonly to vehicles sold intheUnitedStates 7-20

Section	Page
Table of Contents	5
How to Use this Manual	8
Seats & Safety Belts	14
Seats and Seat Controls	15
Front Seats	15
Head Restraints	18
Rear Seats	21
Safety Belts: They’re For Everyone	26
Why Safety Belts Work	28
Questions Many People Ask About Safety Belts	31
How To Wear Safety Belts Properly	33
Adults	33
Driver Position	33
Lap-Shoulder Belt	34
Safety Belt Use During Pregnancy	39
Passenger Positions	40
Children	47
Smaller Children and Babies	47
Child Restraints	49
Larger Children	57
Safety Belt Extender	59
Checking Your Restraint Systems	60
Replacing Safety Belts After a Crash	60
Features & Controls	64
Keys	66
Your Doors and How They Work	68
Side Doors	68
Door Locks	69
Tailgate, Tailgate Glass and Rear Doors	70
Tailgate	71
Panel Doors	72
Theft	73
New Vehicle Break-In	74
Ignition Switch	74
Starting Your Engine	77
Driving Through Water	78
Automatic Transmission	80
Five-Speed Manual Transmission	83
Locking Rear Axle	85
Parking Brake	86
Parking Over Things That Burn	90
Engine Exhaust	91
Running Your Engine While You’re Parked	92
Four-Wheel Drive	93
Transfer Case	93
Front Axle Locking Feature	95
Windows	96
Horn	98
Tilt Wheel	98
Multifunction Lever	99
Turn Signal and Lane Change Indicator	100
Headlight High-Low Beam	101
Windshield Wipers	102
Windshield Washer	103
Cruise Control	104
Headlights and Vehicle Lighting	109
Mirrors	114
Sun Visors	116
Rear Window Wiper and Washer	117
Cigarette Lighter/Ashtrays	118
Storage Compartments	118
Instrument Cluster	125
Warning Lights, Gages and Indicators	131
Gages	139
Luggage Carrier	143
Trailer Wiring Harness	145
Comfort Controls & Audio Systems	146
Comfort Controls	147
Flow-Through Ventilation System	147
Heating System	149
Electronic Heating/Air Conditioning System	150
Rear Air Conditioning and Heating Systems (Wagon Models)	153
Rear Window Defogger	156
Audio Systems	157
FM Stereo	157
AM	157
AM Stereo	158
How to Operate Your AM ETR Radio	158
How to Operate Your AM-FM Stereo Audio System and Cassette Player	159
How to Operate Your AM-FM Stereo Audio System and Cassette Player with Graphic Equalizer	162
Care of Your Cassette Tape Player	166
Fixed Mast Antenna	166
Your Driving and the Road	168
Road Signs	169
Defensive Driving	176
Drunken Driving	177
Control of a Vehicle	180
Braking	180
Steering	185
Steering in Emergencies	186
Passing	188
Loss of Control	190
Driving Guidelines (Utility Models)	191
Off-Road Driving With Your Four-Wheel Drive Vehicle	191
Driving at Night	202
Driving in the Rain	204
Driving in Fog, Mist and Haze	207
City Driving	209
Freeway Driving	210
Driving a Long Distance	211
Hill and Mountain Roads	214
Parking on Hills	216
Winter Driving	220
Towing a Trailer	223
Power Winches	231
Problems on the Road	232
Hazard Warning Flashers	233
Other Warning Devices	234
Jump Starting	234
Towing Your Vehicle	238
Engine Overheating	239
Engine Fan Noise	247
If a Tire Goes Flat	247
Changing a Flat Tire	247
Storing the Jack and Tire	261
If You’re Stuck: In Sand, Mud, Ice or Snow	262
Service & Appearance Care	266
Service	268
Fuel	269
Checking Things Under the Hood	273
Hood Release	273
Engine Oil	274
Air Cleaner	281
Automatic Transmission Fluid	282
Manual Transmission Fluid	285
Hydraulic Clutch	286
Transfer Case	288
Front Axle	289
Rear Axle	289
Engine Coolant	290
Power Steering Fluid	294
Windshield Washer Fluid	296
Brake Master Cylinder	297
Replacing Brake System Parts	298
Other Maintenance Items	299
Lubrication	300
Electrical System	302
Battery	302
Bulb Replacement	302
Fuses and Circuit Breakers	308
Exhaust System	310
Loading Your Vehicle	311
Tires	313
Inflation-Tire Pressure	314
Tire Inspection and Rotation	317
When It’s Time for New Tires	318
Buying New Tires	318
Uniform Tire Quality Grading	319
Wheel Alignment and Tire Balance	320
Wheel Replacement	320
Tire Chains	321
Appearance Care	322
Cleaning the Inside Of Your Vehicle	323
Cleaning the Outside Of Your Vehicle	326
Appearance Care Materials	329
Vehicle Identification Number	330
Service Parts Identification Label	332
Specification Charts	333
Scheduled Maintenance Services	338
A Word About Maintenance	340
Your Vehicle and the Environment	340
Recording Maintenance Services	340
Scheduled Maintenance Services	341
Selecting The Proper Maintenance Services	341
Gasoline Engines with Light Duty Emissions-Maintenance Schedule I	343
Gasoline Engines with Light Duty Emissions-Maintenance Schedule II	345
Gasoline Engines with Heavy Duty Emissions-Maintenance Schedule I	347
Gasoline Engines with Heavy Duty Emissions-Maintenance Schedule II	349
Explanation of Scheduled Maintenance Services	355
Owner Checks and Services	359
Recommended Fluids & Lubricants	362
Maintenance Record	364
Service Station Checks	365
Customer Assistance Information	368
Customer Satisfaction Procedure	369
Customer Assistance for Hearing/Speech Impaired	370
GM Participation in Better Business Bureau Mediation/Arbitration Program	370
Reporting Safety Defects	371
Roadside Assistance	372
Service Publications	373

Match case Limit results 1 per page

Scheduled

Maintenance

Services

13.

EGR

SYSTEM

INSPECTION*

-Conduct

EGR

SYSl

CHECK

described

the Service Manual.

14.

ELECTRONIC VACUUM REGULATOR VALVE

(EVRV)

INSPECTION*

-Inspect

filter for excessive contamination

or plugging.

required, clean

element with a solution

biodegradable soap and water,

let

dry

and

reinstallelement.

MODELS)*

-Adjusttimingtounderhoodlabelspecifications.Inspectthe

inside and outside

the distributor cap and rotor for cracks, carbon

trackingandcorrosion.Cleanorreplaceasneeded.

15.

ENGINE TIMING CHECK AND DISTRIBUTOR CHECK

(SOME

16.

FUEL TANK, CAP AND LINES INSPECTION*

-Inspect the fuel tank,

cap and

lines

for

damage or

leaks. Remove fuel cap,

inspect gasket

for

an even

filler neck

imprint, and any damage, Replace parts

as needed.

17.

THERMOSTATICALLY CONTROLLED AIR CLEANER

INSPECTION*

A-(If

equipped.)

Inspect all hoses and ducts for proper hookup.

Makesurevalveworksproperly.

Look for cracks, fraying,

wear,

and proper tension. Adjust

or replace as

needed.

19.

EVAPORATIVE CONTROL SYSTEM (ECS)

INSPECTION*

-Check

all

fuelandvaporlinesandhosesforproperhookup,routing,andcondition.

Check

that

the purge valve works properly,

if equipped. Replace as

needed.

20.

SHIELDS AND UNDERHOOD

INSULATION

INSPECTION

A w l n s p e c t

shields and underhood

insulation for damage

looseness. Adjust

replaceasrequired.

installation to see that gaskets are seated properly and

all hose

connections, fasteners, and other components are tight.

Also

check to be

sure that the air cleaner housing

is properly seated, that the cover

fits

tightly, and the wing nuts are tight. Tighten connections and fasteners or

replacedamagedpartsasrequired.

18.

ENGINE ACCESSORY DRIVE BELT(S)

INSPECTION*

--Inspect belts.

21.

AIR

INTAKE SYSTEM

INSPECTlONAWCheck

theairintakesystem

22.

THERMOSTATICALLY CONTROLLED ENGINE COOLING FAN

INSPECTIONAB-(If

equipped.)Withtheengine

off

and below

normal operating temperature, check

see that the fan can be rotated

by hand on

fluid coupling or viscous drives. Replace

as necessary.

*An Emission Control Service

Also a Noise Emission Control Service

Applicable only to vehicles

sold

in the United States

7-20