1993 GMC Safari Owner's Manual - Page 316

1993 GMC Safari Manual

Page 316 highlights

Scheduled Maintenance Services Explanation Of Scheduled Maintenance Services Belowareexplanations of theserviceslistedinthemaintenancecharts. Theproperfluidsandlubricantstousearelistedinthissection.Makesure whoeverservicesyourvehicleusesthese.Allpartsshouldbereplacedand allnecessaryrepairsdonebeforeyouoranyoneelsedrivesthevehicle. -ALWAYS USE SG OR 1. ENGINEOILANDOILFILTERCHANGE* II OILSOF THE PROPER SG/CEQUALITY,ENERGYCONSERVING VISCOSITY. To determine the preferred viscosity oil for your vehicle's engine(e.g.SAE5W-30).See"EngineOil"intheIndex. 2. CHASSISLUBRICATION -Lubricatethefrontsuspension,kingpin bushings,steeringlinkage,transfercaseshiftlinkage,parkingbrakecable guides,propshaftsplines,universaljointsandbrakepedalspringsatthe intervalsspecifiedonthepropermaintenancescheduleoratevery engineoilchange,whichevercomesfirst. Balljointsandkingpinbushingsshouldnotbelubricatedunlesstheir temperatureis 10°F (-12"C), orhigher.Whentheweatheriscold,let themwarmupbeforelubricationortheycouldbedamaged. Also,besure tocheckallthevehiclefluidlevelsatthistime. 3. COOLINGSYSTEMSERVICE* -Drain,flushandrefillsystemwithnew coolant.SeetheIndexunder"EngineCoolant''forthepropercoolant andmixturetouse in yourvehicle. if theyarecracked,swollen,or Alsoinspectthehosesandreplacethem deteriorated.Tightenallhoseclamps.Cleantheoutside of theradiator To ensureproper andairconditioningcondenser.Washtheradiatorneck. operation,pressuretesttheradiatorandcap. 4. AIR CLEANERFILTERREPLACEMENT* -Replaceat specified intervals.Replacemoreoftenunderdustyconditions.Askyourdealerfor the proper replacement intervals for your driving conditions. 5. FRONTWHEELBEARINGREPACK(2-WHEELDRIVEONLY) -Clean andrepackthefrontwheelbearingsateachbrakerelining,oratthe specifiedinterval,whichevercomesfirst. * AnEmissionControlService 7-8

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