GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Refer to Vehicle Lifting Caution in the Preface section.

    Caution: Refer to Safety Glasses Caution in the Preface section.

  1. Turn the ignition OFF.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

  3. Object Number: 1949783  Size: SH
  4. Reposition the wiring harness heat shield to obtain access.
  5. Disconnect the crankshaft position (CKP) harness connector (3) from the CKP.

  6. Object Number: 1949785  Size: SH
  7. Remove the CKP to engine block retaining bolt (1) from the CKP sensor (2).
  8. Remove the CKP sensor (2) from the engine block.

Installation Procedure


    Object Number: 1949785  Size: SH
  1. Install the CKP sensor (2) to the engine block.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the CKP sensor to engine block retaining bolt (1).
  4. Tighten
    Tighten the crankshaft position sensor bolt to 10 N·m (89 lb in).


    Object Number: 1949783  Size: SH
  5. Connect the CKP electrical connector (3) to the CKP sensor.
  6. Lower the vehicle.