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 Protective Goggles and Glove 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. Disconnect the battery ground cable from the battery. Refer to Battery Negative Cable Disconnection and Connection.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  3. Remove the starter. Refer to Starter Motor Replacement.

    4. Object Number: 1954045 Size: SH
  4. Disconnect the crankshaft position (CKP) sensor electrical connector (2) from the wiring harness (1).

    5. Object Number: 1950752 Size: SH
  5. Remove the CKP sensor to engine block retaining bolt (1).
  6. Remove the CKP sensor (2) from the engine block.

Installation Procedure

    Object Number: 1950752 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 25 N·m (18 lb ft).

    3. Object Number: 1954045 Size: SH
  3. Connect the CKP sensor electrical connector (2) to the wiring harness (1).
  4. Install the starter. Refer to Starter Motor Replacement.
  5. Lower the vehicle.
  6. Connect the battery ground cable to the battery. Refer to Battery Negative Cable Disconnection and Connection.
  7. If re-programming is required. Refer to Control Module References.