GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2009 🢒 H2 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Crankshaft Position Sensor Replacement

Removal Procedure

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


    Object Number: 211621 Size: SH

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

  1. Disconnect the negative battery cable.
  2. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
  3. Remove the starter. Refer to Starter Replacement.

    4. Object Number: 56592 Size: SH
  4. Disconnect the crankshaft position (CKP) sensor electrical connector.

    5. Object Number: 55322 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 retaining bolt.
  7. Remove the CKP sensor.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.

  1. Install the CKP sensor.

    2. Object Number: 55322 Size: SH
  2. Install the CKP sensor retaining fastener and tighten the bolt to 25 N·m (18 lb ft).

    3. Object Number: 56592 Size: SH
  3. Connect the CKP sensor electrical connector.

    4. Object Number: 211621 Size: SH
  4. Install the starter. Refer to Starter Replacement.
  5. Lower the vehicle.
  6. Connect the negative battery cable.
  7. Perform the CKP system variation learn procedure. Refer to Crankshaft Position System Variation Learn.