Yukon XL 4WD V8-5.3L (2011)
Oxygen Sensor: Service and Repair
Heated Oxygen Sensor Replacement - Bank 1 Sensor 2
Heated Oxygen Sensor Replacement - Bank 1 Sensor 2
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 (1).
3. Disconnect the HO2S electrical connector from the engine wiring harness electrical connector (3).
Caution: Refer to Excessive Force and Oxygen Sensor Caution See: Service Precautions/Excessive Force and Oxygen Sensor Caution.
4. Remove the HO2S (5).