1993 GMC Suburban Owner's Manual - Page 227

A R AN490002 If you'reusinga"dead-weight"hitch,thetrailertongue(A)shouldweigh10% (B). If youhavea"weight-distributing"hitch, ofthetotalloadedtrailerweight thetrailertongue (A) shouldweigh 12% ofthe totalloadedtrailerweight(B). After you'veloadedyourtrailer,weighthetrailerandthenthetongue, separately, to see if theweightsareproper. If theyaren't,youmaybeable togetthemrightsimplybymovingsomeitemsaround in thetrailer. Total Weight on Your Vehicle's Tires Besureyourvehicle'stiresareinflatedtothelimitforcoldtires. You'll find thesenumbersontheCertificationlabelattherearedgeofthedriver'sdoor (orsee"Loading Your Vehicle" in theIndex).Thenbesureyoudon't goover the GVW limitforyourvehicle. Hitches It'simportanttohavethecorrecthitchequipment.Crosswinds,largetrucks goingby,androughroadsareafewreasons why you'llneedtherighthitch. Herearesomerulestofollow: 8 Q If yourvehiclehasastepbumperandyouaregoingtouseaball-type hitch,removethepadandcutholes in it to matchthehitchandsafety chainholes in thebumper. If you'll be pulling a trailerwithautilitymodelthat,whenloaded, will weighmorethan3,000pounds(1361kg);orwithawagonmodelthat when loaded, will weighmorethan 4,000 pounds (1800 kg),besure to use a properlymountedweight-distributinghitchandswaycontrol of the proper size. This equipment is veryimportantforpropervehicleloading andgoodhandlingwhenyou'redriving. 4-59