GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1641074  Size: SH
  1. Remove the power steering pump. Refer to Power Steering Pump Replacement .
  2. Disconnect the fuel injector harness electrical connector from the camshaft position (CMP) sensor.

  3. Object Number: 1646078  Size: SH
  4. Remove the CMP sensor bolt.
  5. Remove the CMP sensor.
  6. Inspect the CMP sensor O-ring for wear or damage if the sensor is not being replaced, replace the seal as necessary.

Installation Procedure


    Object Number: 1646078  Size: SH
  1. Lubricate the sensor O-ring with clean engine oil.
  2. Remove the CMP sensor.
  3. Notice: Refer to Fastener Notice in the Preface section.

  4. Remove the CMP sensor bolt.
  5. Tighten
    Tighten the bolt to 10 N·m (89 lb ft).


    Object Number: 1641074  Size: SH
  6. Connect the fuel injector harness electrical connector to the CMP sensor.
  7. Install the power steering pump. Refer to Power Steering Pump Replacement .