Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/3,000mi.Have underbody flushing service performed. See "Underbody Maintenance" inExterior Care.
Power Mode Description and Operation
GMLAN and Media Oriented Systems Transport (MOST) Wiring RepairsEvaporative Emission Canister Purge Solenoid Valve Replacement Emissions Evap Evap Canister Purge
Evaporative Emission Canister Purge Solenoid Valve ReplacementCalloutComponent NamePreliminary ProceduresRemove the intake manifold cover. Refer toIntake Manifold Cover Replacement.Disconnect the evaporative emission pipes. Refer toPlastic Collar Quick Connect Fitting Service.1Evaporative Emission C ...