GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2008 🢒 Terraza 🢒 Suspension 🢒 Automatic Level Control 🢒 Automatic Level Control Air Compressor Shield Replacement

Removal Procedure
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Lower the automatic level control (ALC) air compressor assembly. Refer to Air Compressor Replacement .
  3. Remove the ALC compressor relay. Refer to Automatic Level Control Relay Replacement .

    4. Object Number: 898568 Size: SH
  4. Remove the ALC shield bolt (1) and retainers.
  5. Remove the ALC shield (2) from the vehicle.

Installation Procedure
  1. Install the ALC shield (2) onto the vehicle.
  2. Install the ALC relay onto the vehicle. Refer to Automatic Level Control Relay Replacement .

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


    Object Number: 898568 Size: SH
  3. Install the ALC shield bolt (1) and retainers to the vehicle.

    4. Tighten
    Tighten the bolts to 6 N·m(53 lb in).

  4. Install the ALC compressor assembly onto the vehicle. Refer to Air Compressor Replacement .
  5. Lower the vehicle.