Sierra 1500 2WD V6-4.3L VIN X (2004)
1. If reinstalling the old HO2S, coat the threads with anti-seize compound GM P/N 12377953, or equivalent.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the bank 2 HO2S (1).
Tighten
Tighten the sensor to 42 N.m (31 lb ft).
3. Connect the HO2S electrical connector.
4. Install the CPA retainer.
5. Install the HO2S from the harness clip.
6. Install the clip securing the HO2S to the engine harness.
7. Lower the vehicle.
