Avalanche 1500 2WD V8-5.3L (2008)
Oxygen Sensor: Service and Repair
Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 (1500 Series)
Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 (1500 Series)
Removal Procedure
Notice: Refer to Heated Oxygen and Oxygen Sensor Notice.
1. Remove the right wheelhouse liner.
2. Remove the connector position assurance (CPA) retainer (2).
3. Disconnect the HO2S electrical connector (7) from the engine wiring harness electrical connector (1).
4. Remove the HO2S clip (8) from the engine wiring harness.
Notice: Refer to Excessive Force and Oxygen Sensor Notice.