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

Removal Procedure

    Object Number: 1612884 Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the catalytic converter. Refer to Three-Way Catalytic Converter Replacement.
  3. Disconnect the crankshaft position (CKP) sensor electrical connector (4).

    4. Object Number: 1587763 Size: SH
  4. Remove the CKP sensor stud.
  5. Remove the CKP sensor.

Installation Procedure

    Object Number: 1587763 Size: SH
  1. Lubricate the CKP sensor O-ring with clean engine oil.
  2. Install the CKP sensor.

    3. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the CKP sensor stud and tighten to 10 N·m (89 lb in).

    4. Object Number: 1612884 Size: SH
  4. Connect the CKP sensor electrical connector (4).
  5. Install the catalytic converter. Refer to Three-Way Catalytic Converter Replacement.
  6. Lower the vehicle.