GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2006 🢒 Terraza Ext. 🢒 Suspension 🢒 Automatic Level Control 🢒 Automatic Level Control Relay Replacement

Removal Procedure
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

    2. Object Number: 878217 Size: SH
  2. Remove mounting screw (1) from the automatic level control relay.

    3. Object Number: 878218 Size: SH
  3. Disconnect electrical connector (1) from the automatic level control relay (2).

Installation Procedure

    Object Number: 878218 Size: SH
  1. Connect electrical connector (1) into the automatic level control relay (2).

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


    Object Number: 878217 Size: SH
  2. Install mounting screw (1) into the automatic level control relay.

    3. Tighten
    Tighten screw to 6 N·m (53 lb in).

  3. Lower the vehicle.