1993 GMC Safari Owner's Manual - Page 286

Service & Appearance Care When It's Time for New Tires I s 1 i TREAD WEAR INDICATORS I K1656 One way to tell whenit'stimefornew tires is to check the treadwear 2/32 inch (1.6 mm) or indicators,whichwillappearwhenyourtireshaveonly less of tread remaining. You needanewtire 0 if: You canseetheindicatorsatthreeplacesaroundthetire. You canseecord or fabricshowingthroughthetire'srubber. Thetread or sidewalliscracked,cut cord or fabric. The tire hasabump,bulgeorsplit. or snaggeddeepenough to show The tire hasapuncture,cut, or otherdamagethatcan'tberepaired because of the size or location of thedamage. Buying New Tires To find out what kind and size of tiresyouneed, look at the CertificationRire label.Thetiresinstalledonyourvehiclewhen it wasnewhadaTire PerformanceCriteriaSpecification(TPCSpec)numberoneachtire'ssidewall. Whenyougetnewtires,getoneswiththatsameTPCSpecnumber.That way, your vehicle will continue to have tires that are designed to give proper endurance,handling,speedrating,traction,rideandotherthingsduring normalservice on your vehicle. If yourtireshaveanall-seasontreaddesign, "MS" (formudandsnow). theTPCnumberwillbefollowedbya 6-48