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 RepairsIntake Camshaft and Valve Lifter Replacement Valvetrain Camshaft
Removal ProcedureRemove the intake camshaft position actuator. ReferCamshaft Position Intake Actuator Replacement.Remove the intakecamshaft position actuator solenoid valve bolt-(1) and valve-(2).Remove the rear cylinderhead cover plate-(1).Remove the intakecamshaft bearing rear cap bolts and cap-(2 ...