GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.

  2. Object Number: 690593  Size: SH
  3. Disconnect the camshaft position (CMP) sensor harness connector (3) at the CMP sensor (1).
  4. Remove the CMP sensor retaining bolt (2).
  5. Remove the CMP sensor (1).
  6. Inspect the CMP sensor for wear, cracks, or leakage if the sensor is not being replaced.

Installation Procedure

Note: Inspect the CMP sensor O-ring for wear or damage. If a problem is found, replace the O-ring. Lubricate the new O-ring with engine oil before installing.


    Object Number: 690593  Size: SH
  1. Install the CMP sensor (1).
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the CMP sensor retaining bolt (2).
  4. Tighten
    Tighten the bolt to 12 N·m (106 lb in).

  5. Connect the CMP sensor harness connector (3).
  6. Lower the vehicle.