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 RepairsHeated Oxygen Sensor Replacement - Bank 1 Sensor 1 Engine Control Engine Control Sensors O2 Sensors
Heated Oxygen Sensor Replacement - Bank 1 Sensor 1CalloutComponent NamePreliminary ProceduresIf equipped with FWD, raise and support the vehicle. Refer toLifting and Jacking the Vehicle.If equipped with AWD, lower the front suspension frame. Refer toDrivetrain and Front Suspension Frame Replacement. ...