1993 Chevrolet Astro Owner's Manual - Page 200
1993 Chevrolet Astro Manual
Page 200 highlights
Your Driving and the Road Hitches It'simportant to havethecorrecthitchequipment.Crosswinds,largetrucks going by, androughroadsareafewreasonswhyyou'llneedtherighthitch. Herearesomerules to follow: a If you'll be pullingatrailerthat, whenloaded,willweighmorethan 2,000 pounds (900 kg),besure to use a properlymountedweight-distributing hitchandswaycontrol of thepropersize.Thisequipmentisvery importantforpropervehicleloadingandgoodhandlingwhenyou're driving. Will youhave to makeanyholes in thebody ofyour vehicle whenyou installatrailerhitch? If you do, thenbesure to sealtheholeslater If youdon'tsealthem,deadlycarbon whenyouremovethehitch. monoxide(CO)fromyourexhaustcanget intoyourvehicle(see"Carbon Monoxide" in theIndex).Dirtand watercantoo. If Don'tletthesteelinahitchcontactthealuminumonyourbumper. youdo, thetwowillcorrode. Youcan usesomethinglikepaintorplastic tapetoseparatethesteelandaluminum.Thesamesteel to aluminum problemcanhappenwithfastenerstoo. a a Safety Chains You shouldalwaysattachchainsbetweenyourvehicleandyourtrailer.Cross the safety chains under the tongue of the trailer so that the tongue will not drop to theroad if itbecomesseparatedfromthehitch.Instructionsabout safety chains maybeprovidedby thehitchmanufacturer or bythetrailer manufacturer.Followthemanufacturer'srecommendationforattachingsafety so youcan turn withyourrig.And, chains.Alwaysleavejustenoughslack neverallowsafetychains to dragontheground. Trailer Brakes If your trailer weighs its ownbrakes-and morethan 1,000 pounds (450 kg)loaded,then theymustbeadequate. it needs Be sure to readand follow the instructions for the trailer brakes adjustandmaintainthemproperly. to install, Don't tap into yourvehicle'sbrakesystem if thetrailer'sbrakesystemwilluse of more than 0.02 cubic inch ( 0 . 3 ~ ~ ) fluidfromyourvehicle'smastercylinder. If it does,bothbrakingsystemswon'tworkwell.Youcouldevenloseyour brakes. 4-46