GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2009 🢒 G8 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Crankshaft Position Sensor Replacement

Removal Procedure

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

    Danger: To avoid any vehicle damage, serious personal injury or death when major components are removed from the vehicle and the vehicle is supported by a hoist, support the vehicle with jack stands at the opposite end from which the components are being removed and strap the vehicle to the hoist.

  1. Turn the ignition OFF.

    2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.


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

    4. Object Number: 1949785 Size: SH
  4. Remove the CKP to engine block retaining bolt (1) from the CKP sensor (2).
  5. 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. Caution: Refer to Fastener Caution in the Preface section.

  2. Install the CKP sensor to engine block retaining bolt (1) and tighten to 10 N·m (89 lb in).

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