GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1087797  Size: SH
  1. Remove the air cleaner inlet duct. Refer to Air Cleaner Inlet Duct Replacement .
  2. Disconnect the engine wiring harness electrical connector from the camshaft position (CMP) sensor.
  3. Remove the CMP sensor bolt (2).
  4. Remove the CMP sensor (1).
  5. Inspect the CMP sensor O-rings for wear, cracks, or leakage if the sensor is being reused. Replace the O-rings if damaged.

Installation Procedure

  1. Lubricate the CMP sensor O-rings with clean engine oil.

  2. Object Number: 1087797  Size: SH
  3. Install the CMP sensor (1).
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the CMP sensor bolt (2).
  6. Tighten
    Tighten the bolt to 10 N·m (89 lb in).

  7. Connect the engine wiring harness electrical connector to the CMP sensor.
  8. Install the air cleaner inlet duct. Refer to Air Cleaner Inlet Duct Replacement .