Sierra 3500 Denali 2WD V8-6.0L (2011)
3. Install the HO2S electrical connector clip to the engine harness clip (6).
4. Connect the engine wiring harness electrical connector (4) to the HO2S electrical connector (3).
5. Install the CPA retainer (5).
6. Lower the vehicle.
Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 (2500 Series)
Heated Oxygen Sensor Replacement - Bank 2 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).
2. Remove the connector position assurance (CPA) retainer (5).
3. Disconnect the engine wiring harness electrical connector (4) from the HO2S electrical connector (3).
