Sierra 3500 Denali 4WD V8-6.0L (2011)
Tighten the sensor to 42 Nm (31 lb ft).
3. Connect the HO2S electrical connector to the engine wiring harness electrical connector (3).
4. Install the CPA retainer (1).
5. Lower the vehicle.
Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (2500 Series)
Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (2500 Series)
Removal Procedure
Caution: Refer to Heated Oxygen and Oxygen Sensor Caution (See: Service Precautions/Heated Oxygen and Oxygen Sensor Caution)
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (See: Maintenance/Vehicle Lifting/Service and Repair).
