Removal Procedure
- Disconnect the engine wiring harness electrical connector from the intake camshaft
position (CMP) sensor.
- Remove the intake CMP sensor retaining bolt.
- Remove the intake CMP sensor from the cylinder head.
Discard the O-ring seal.
Installation Procedure
- Install a new O-ring seal to the intake CMP sensor.
- Lightly lubricate the O-ring seal with clean engine oil.
- Install the intake CMP sensor into the cylinder head.
- Add sealer GM P/N 12346004 (Canadian P/N 10953480) to the CMP sensor bolt threads.
Notice: Refer to Fastener Notice in the Preface section.
- Install the intake CMP sensor bolt.
Tighten
Tighten the bolt to 10 N·m (89 lb in).
- Connect the engine wiring harness electrical connector to the intake CMP sensor.