9-7X V8-5.3L (2005)
1. If reinstalling the old sensor, coat the threads with anti-seize compound GM P/N 12377953, or equivalent.
Notice: Refer to Component Fastener Tightening Notice (See: Service Precautions/Vehicle Damage Warnings/Component Fastener Tightening
Notice).
2. Install the HO2S (2).
Tighten the sensor to 42 Nm (31 ft. lbs.).
3. Connect the HO2S electrical connector.
4. Install the CPA retainer.
5. Lower the vehicle.