GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Important: Perform the Crankshaft Position System Variation Learn whenever the crankshaft position sensor is removed or replaced.


    Object Number: 1964987  Size: SH
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Reposition the engine wiring harness sleeve (2).
  3. Disconnect the engine wiring harness electrical connector (1) from the crankshaft position (CKP) sensor.

  4. Object Number: 1239292  Size: SH
  5. Clean the area around the CKP sensor before removal in order to avoid debris from entering the engine.
  6. Remove the CKP sensor bolt.
  7. Remove the CKP sensor.

Installation Procedure


    Object Number: 1239292  Size: SH
  1. Install the CKP sensor.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the CKP sensor bolt.
  4. Tighten
    Tighten the bolt to 25 N·m (18 lb ft).


    Object Number: 1964987  Size: SH
  5. Connect the engine wiring harness electrical connector (1) to the CKP sensor.
  6. Position the engine wiring harness sleeve (2) over the CKP sensor electrical connection.
  7. Lower the vehicle.
  8. Perform the CKP system variation learn procedure. Refer to Crankshaft Position System Variation Learn .