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 RepairsRadiator Surge Tank Replacement Engine Cooling Radiator
Radiator Surge Tank ReplacementCalloutComponent NamePreliminary ProceduresDrain the coolant. Refer toCooling System Draining and Filling.Remove the coolant recovery reservoir vent hose. Refer toCoolant Recovery Reservoir Vent Hose Replacement.Remove the coolant recovery reservoir outlet hose. Refer ...