IdentificationAccessory and warranty replacement must use TPC spectires.An outboard orientation stripe is added to the tread surface,with an offset toward the outboard tire face.All GM approved tires (Production, Service and Accessory)have a TPC (Tire Performance Criteria) code.A replacement tire that lacks the original TPC code will notmeet the performance characteristics of the original tire, even ifit is the same brand, model and size.Force and MomentResidual Aligning Torque (RAT)Rolling ResistanceBraking TractionDriving TractionUniformityNoiseDimensionsMassRev/KMHigh SpeedAir RetentionElectrical ResistanceAutomatic MountingEndurance (ATE)TreadwearChip/tearGroove WanderRide and HandlingWet/Snow Handling
The TPC system facilitates tire replacement for GM customerson GM vehicle, meeting the same critical performance specificationsof GM vehicle original equipment tires.
Cylinder Head Assemble Engine Block Cylinder Head
Special ToolsEN 8062 Valve Spring Compressor – Head OffEN 46116 Valve Stem Seal Remover/InstallerEN 46117 Valve Stem Key Remover/InstallerEN 46119 Off-Vehicle Valve Spring Compressor AdapterEN 46122 Camshaft Position Actuator Check-Ball Valve Remover/InstallerFor equivalent regional tools, refer t ...