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 RepairsOil Filter Adapter Cleaning and Inspection Engine Lubrication Oil Filter
Cleaning ProcedureClean the oil filter adapter components withnon-corrosive solvent.Warning:Refer toSafety Glasses Warning.Dry the oil filter adapter components with compressedair.Inspection ProcedureNote:The internal parts of the oil filter adapter housing are notserviced separately. If wear or dam ...