Note: Do not allow dirt or debris to enter the oil passages of the manifold. Plug, as required.
- Install a NEW oil filter (452) and O-ring (454) assembly.
- Apply sealant GM P/N 12346004 (Canadian P/N 10953480) to the threads of the sensor.
Caution: Refer to Fastener Caution in the Preface section.
- Install the oil pressure sensor (706) and washer (707). Tighten the oil pressure sensor to
35 N·m (26 lb ft).