GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 258354  Size: SH
  1. Remove the rear compartment trim panel. Refer to Rear Compartment Front Trim Panel Replacement in Body Rear End.
  2. Remove the rear seat cushion. Refer to Rear Seat Cushion Replacement in Seats.
  3. Remove the rear seat back. Refer to Rear Seat Back Replacement in Seats.
  4. Disconnect the Electronic Suspension Control module connectors.
  5. Remove the nuts from the electronics bay board.
  6. Tilt the electronics bay board to access the Electronic Suspension Control module.
  7. Remove the Electronic Suspension Control module from the electronics bay board.

Installation Procedure


    Object Number: 258354  Size: SH
  1. Install the Electronic Suspension Control module in the right electronics bay.
  2. Install the electronics bay board.
  3. Install the nuts on the electronics bay board.
  4. Tighten
    Tighten two screws to 9 N·m (80 lb in).

  5. Connect the electrical connectors to the Electronic Suspension Control module.
  6. Install the rear seat back. Refer to Rear Seat Back Replacement in Seats.
  7. Install the rear seat cushion. Refer to Rear Seat Cushion Replacement in Seats.
  8. Install the rear compartment trim panel. Refer to Rear Compartment Front Trim Panel Replacement in Body Rear End.
  9. Perform the Electronic Suspension Control Module Calibration. Refer to Electronic Suspension Control Module Calibration .
  10. Perform the Trim Height Adjustment. Refer to Trim Height Adjustment .