GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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

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

  4. Object Number: 878218  Size: SH
  5. 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. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 878217  Size: SH
  3. Install mounting screw (1) into the automatic level control relay and tighten to 6 N·m (53 lb in) .
  4. Lower the vehicle.