GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1350719  Size: SH
  1. Disconnect the engine wiring harness electrical connector from the intake camshaft position (CMP) sensor.

  2. Object Number: 858173  Size: SH
  3. Remove the intake CMP sensor retaining bolt.
  4. Remove the intake CMP sensor from the cylinder head.
  5. Discard the O-ring seal.

Installation Procedure

  1. Install a new O-ring seal to the intake CMP sensor.
  2. Lightly lubricate the O-ring seal with clean engine oil.

  3. Object Number: 858173  Size: SH
  4. Install the intake CMP sensor into the cylinder head.
  5. Add sealer GM P/N 12346004 (Canadian P/N 10953480) to the CMP sensor bolt threads.
  6. Notice: Refer to Fastener Notice in the Preface section.

  7. Install the intake CMP sensor bolt.
  8. Tighten
    Tighten the bolt to 10 N·m (89 lb in).


    Object Number: 1350719  Size: SH
  9. Connect the engine wiring harness electrical connector to the intake CMP sensor.