GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 Lumina VE 🢒 Body Systems 🢒 Lighting 🢒 Headlamp Leveling Rear Suspension Height Sensor Replacement

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.

    Caution: The high intensity discharge system produces high voltage and current. To reduce the risk of severe shocks and burns:

       • Never open the high intensity discharge system ballast or the arc tube assembly starter.
       • Never probe between the high intensity discharge system ballast output connector and the arc tube assembly.

    Caution: The high intensity discharge system produces high voltage and current. In order to reduce the risk of severe shocks and burns, the battery negative cable must be disconnected any time service work is being performed on or around the high intensity discharge system.

  1. Disconnect the battery ground cable. Refer to Battery Negative Cable Disconnection and Connection.

    2. Caution: Refer to Safety Glasses Caution in the Preface section.

    Caution: Refer to Vehicle Lifting Caution in the Preface section.

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

    3. Object Number: 1946996 Size: SH

    Important: The headlamp levelling linkages are not a serviceable item and should be replaced as a complete assembly.

  3. Remove the headlamp levelling sensor linkage retaining bolt (1).

    4. Object Number: 1946994 Size: SH
  4. Disconnect the headlamp levelling sensor electrical connector (1).

    5. Object Number: 1946999 Size: SH
  5. Remove the head lamp levelling sensor retaining bolts.
  6. Remove the head lamp levelling sensor.

Installation Procedure

    Object Number: 1946999 Size: SH
  1. Install the head lamp levelling sensor.

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Install the head lamp levelling sensor retaining bolts.

    3. Tighten
    Tighten the bolts to 9.0 N·m (80 lb in).


    Object Number: 1946994 Size: SH
  3. Connect the headlamp levelling sensor electrical connector (1).

    4. Object Number: 1946996 Size: SH
  4. Install the head lamp levelling sensor linkage.

    5. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the head lamp levelling sensor linkage retaining nut (1).

    6. Tighten
    Tighten the nut to 4.0 N·m (35 lb in).

  6. Lower the vehicle. Refer to Lifting and Jacking the Vehicle.
  7. Connect the battery ground cable. Refer to Battery Negative Cable Disconnection and Connection.
  8. Check all vehicle lights for correct operation.