C 2500 Yukon XL 2WD V8-8.1L VIN G (2002)
1. Coat the threads of the HO2S with anti-seize compound P/N 12377953, or equivalent if necessary.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the HO2S (2).
Tighten
Tighten the HO2S to 41 N.m (30 lb ft).
3. Connect the HO2S electrical connector (1).
4. Lower the vehicle.
