GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Warning: Refer to Battery Disconnect Warning in the Preface section.


    Object Number: 56592  Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
  3. Remove the starter. Refer to Starter Motor Replacement.
  4. Disconnect the crankshaft position (CKP) sensor electrical connector.

  5. Object Number: 55322  Size: SH

    Note: Clean the area around the CKP before removal in order to avoid debris from entering the engine.

  6. Remove the CKP sensor retaining bolt.
  7. Remove the CKP sensor.

Installation Procedure


    Object Number: 55322  Size: SH
  1. Install the CKP sensor.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the CKP sensor retaining bolt and tighten to 25 N·m (18 lb ft).

  4. Object Number: 56592  Size: SH
  5. Connect the CKP sensor electrical connector.
  6. Install the starter. Refer to Starter Motor Replacement.
  7. Lower the vehicle.
  8. Connect the negative battery cable.
  9. Program the transmitters. Refer to Transmitter Programming.
  10. Perform the CKP System Variation Learn Procedure. Refer to Crankshaft Position System Variation Learn.