Lucerne V8-4.6L (2008)
1. If reusing the old HO2S, coat the threads with anti-sieze compound, GM P/N 12377953 or equivalent.
Notice: Refer to Fastener Notice (See: Service Precautions/Vehicle Damage Warnings/Fastener Notice).
2. Install the HO2S.
Tighten the sensor to 41 N.m (30 lb ft).
3. Raise the engine frame into position.
4. Install the 4 rearward frame to body bolts (1) (left side shown, right side similar).
Tighten the bolts to 191 N.m (141 lb ft).
