Avalanche 1500 2WD V8-5.3L (2008)
Oxygen Sensor: Service and Repair
Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 (1500 Series)
Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 (1500 Series)
Removal Procedure
Notice: Refer to Heated Oxygen and Oxygen Sensor Notice.
1. Raise and support the vehicle. Refer to Vehicle Lifting.
2. Remove the connector position assurance (CPA) retainer (4).
3. Disconnect the engine wiring harness electrical connector (4) from the HO2S electrical connector (3).
4. Remove the HO2S electrical connector clip from the engine harness clip (6).
Notice: Refer to Excessive Force and Oxygen Sensor Notice.
