1993 GMC Suburban Owner's Manual - Page 342

Thisparttellsyouthemaintenanceservicesthatyoushouldhavedoneand thetimesyoushouldschedulethem. Your GM dealerknowsyourvehiclebest and wants you to be happywith it. If you go to yourdealerforyourservice needs,you'llknowthatGNI-trainedandsupportedservicepeoplewillperform theworkusinggenuine GWI parts. Theseschedulesareforvehiclesthat: carrypassengersandcargowithintherecommendedlimits. theselimitsonyourvehicle'sCertificationLabel.See"Loading Vehicle''inthe Index. aredrivenonregularroadsurfaces,andwithinlegaldrivinglimits. Q You willfind Your aredriven off-road in therecommendedmanner.SeetheIndexUnder "OffRoadDrivingWith Your FourWheelDriveVehicle." usetherecommendedfuel.See"Fuel" in theIndex. 8 eiecting The To find thepropermaintenancescheduleforyourvehicle,youmustknowtwo things.Whatengineyourvehiclehas,andhowyouuseyourvehicle.Your enginetypewill tell youwhichchart to use,andyourdrivingconditionswill tell youwhichscheduletouse.Thechartsarefoundlater in thissection. sek?et/ngthe Proper Maintenance Chart Your enginetype(GasolineorDiesel) and itsemissionsclassification(Light Duty or HeavyDutyEmissions) will tell youwhichmaintenancechart to use. Find yourVehicleIdentificationNumber (VlN), and look attheeighthcharacter tosee what yourenginecodeis.ThenusethefollowingEngineEmissions Classificationstable to findyouremissionsclassification. Your VI11 is on the plateonthetop left corner ofyour instrumentpanel, the CertificationbabelandontheServicePartsIdentificationLabel.See "Vehicle IdentificationNumber" in theIndex. If your enginehasmorethanoneemissionsclassification, look atyour CertificationLabel to seewhatyourGrossVehicleWeightRating (GVWR) is. See"Loading Your Vehicle" in theIndex. 0 Q