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

Removal Procedure

    Object Number: 1720495 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 electrical connector.

    4. Object Number: 1720492 Size: SH
  4. Disconnect the sensor link from the ball stud.

    5. Object Number: 1720497 Size: SH
  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: 1720492 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).


    Object Number: 1720492 Size: SH
  4. Connect the sensor link on the ball stud.

    5. Object Number: 1720495 Size: SH
  5. Connect the height sensor electrical 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.