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 RepairsCamshaft Installation - Right Side Valvetrain Camshaft
Ensure that the camshaft sealing rings-(1) are in place in the camshaft grooves. Camshaftsealing rings must be in place below the surface of the camshaft journal in orderto avoid being pinched between the cylinder head and the camshaft caps.Apply a liberal amount of lubricant to the camshaft journal ...