Yukon/Denali 4WD V8-4.8L VIN V (2005)
anti-seize compound applied before the reinstallation.
1. If reinstalling the old sensor, coat the threads with anti-seize compound GM P/N 12377953, or equivalent.
NOTE: Refer to Component Fastener Tightening Notice in Service Precautions.
2. Install the HO2S.
Tighten the sensor to 42 N.m (31 lb ft).
3. If equipped with a 6.0L engine, connect the HO2S electrical connector (1).
4. If equipped with a 4.8L or 5.3L engine, connect the HO2S electrical connector (1).
5. Install the HO2S electrical connector to the fuel line clip.
6. Disconnect the CPA retainer.
7. If necessary, bolt the front propeller shaft to the front differential.
8. Lower the vehicle.
