GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 Lucerne 🢒 Power and Signal Distribution 🢒 Data Communications 🢒 Automatic Level Control Sensor Replacement

Removal Procedure

    Object Number: 517954 Size: SH
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the wheel from the vehicle. Refer to Tire and Wheel Removal and Installation.
  3. Disconnect the height sensor connector.
  4. Disconnect the sensor link from the ball stud.
  5. Loosen the sensor mounting nut.
  6. Disengage the anti-rotation tab and slide the sensor downward.
  7. Remove the sensor from the vehicle.

Installation Procedure

    Object Number: 517954 Size: SH
  1. Insert head of the sensor mounting stud into the key hole.
  2. Slide the sensor upward until the anti-rotation tab engages in the lower hole.

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

  3. Tighten the sensor mounting nut.

    4. Tighten
    Tighten the nut to 9 N·m (80 lb in).

  4. Connect the sensor link on the ball stud.
  5. Connect the height sensor connector.
  6. Install the wheel on the vehicle. Refer to Tire and Wheel Removal and Installation.
  7. Lower the vehicle. Refer to Lifting and Jacking the Vehicle.
  8. Refer to Control Module References for programming and setup information.