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 RepairsExhaust Manifold Heat Shield Replacement (LEA) Exhaust Exhaust Manifold
Exhaust Manifold Heat Shield ReplacementCalloutComponent NamePreliminary ProcedureRemove the air cleaner outlet duct. Refer toAir Cleaner Outlet Duct Replacement.Remove the intake manifold cover and bracket. Refer toIntake Manifold Cover ReplacementDisconnect the oxygen sensor.1Exhaust Manifold Heat ...