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 RepairsCrankshaft Balancer Cleaning and Inspection Engine Block Cylinder Block Crankshaft
Cleaning ProcedureClean the crankshaft balancer in solvent that is compatiblewith the rubber-(1).Warning:Refer toSafety Glasses Warning.Dry the crankshaft balancer with compressed air.Inspection ProcedureInspect the crankshaft balancer for the following:Worn or damaged hub-to-crankshaftsurface-(1)Wo ...