LaCrosse V8-5.3L (2008)
1. If re-installing the old sensor, coat the threads with anti-seize compound P/N 12377953, or equivalent.
Notice: Refer to Fastener Notice (See: Service Precautions/Vehicle Damage Warnings/Fastener Notice).
2. Install the bank 1 sensor 1 to the exhaust manifold.
Tighten the sensor to 42 N.m (31 lb ft).
3. Connect the bank 1 sensor 1 electrical connector (2).
4. Install the CPA retainer (1).
5. Install the intake manifold sight shield. Refer to Upper Intake Manifold Sight Shield Replacement (See: Engine, Cooling and
Exhaust/Engine/Intake Manifold/Service and Repair).
