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