Silverado 2500 4WD V8-6.6L DSL Turbo (2010)
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 (9).
3. Disconnect the HO2S electrical connector (1) from the engine wiring harness electrical connector (2).
Caution: Refer to Excessive Force and Oxygen Sensor Caution (See: Service Precautions/Excessive Force and Oxygen Sensor Caution)
4. Remove the HO2S (2).
Installation Procedure