GM Service Manual Online
For 1990-2009 cars only

Crankshaft Position Sensor Replacement for Cadillac STS 2009

Removal Procedure

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

  3. Object Number: 945964  Size: SH
  4. Remove the exhaust manifold heat shield to obtain access.

  5. Object Number: 887868  Size: SH
  6. Disconnect the crankshaft position (CKP) electrical connector (3).

  7. Object Number: 1311144  Size: SH
  8. Remove the crankshaft sensor bolt.
  9. Remove the crankshaft sensor.

Installation Procedure


    Object Number: 1311144  Size: SH
  1. Install the crankshaft position sensor.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the crankshaft position sensor bolt and tighten to 10 N·m (89 lb in).

  4. Object Number: 887868  Size: SH
  5. Connect the CKP electrical connector (3).

  6. Object Number: 945964  Size: SH
  7. Install the exhaust manifold heat shield and tighten to 10 N·m (89 lb in).
  8. Lower the vehicle.