GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the rear seat cushion. Refer to Rear Seat Cushion Replacement .
  2. Remove the rear seat back. Refer to Rear Seat Back Replacement .
  3. Remove both rear upper quarter sail panels. Refer to Sail Panel Replacement .
  4. Disengage the center shoulder belt from the shoulder belt latch.
  5. Disengage the shoulder belt escutheon from the rear shelf.
  6. Disengage the 2 dual lock fasteners at the rear edge of the shelf panel.

  7. Object Number: 2018046  Size: SH
  8. Pry out the horn net to the left and right of the rear window shelf trim panel to expose the nuts.
  9. Remove the mounting nuts under the left and right horn net.

  10. Object Number: 2018047  Size: SH
  11. Remove the 4 mounting nuts under the rear window shelf trim panel in the rear compartment.

  12. Object Number: 2018048  Size: SH
  13. Disconnect the electrical connectors and pull upward the rear window shelf trim panel assembly.

Installation Procedure

  1. Position the rear window shelf trim panel assembly at the original position and connect the electrical connectors.
  2. Position the rear center shoulder belt through the rear shelf panel, ensure the shoulder belt is not twisted.
  3. Snap forcefully the two tabs to secure.
  4. Secure the shoulder belt escutheon to the rear window shelf trim panel.
  5. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 2018047  Size: SH
  6. Install the 4 mounting nuts under the rear window shelf trim panel.
  7. Tighten
    Tighten the screw to 9 N·m (80 lb in).


    Object Number: 2018046  Size: SH
  8. Install the mounting nuts under the left and right horn net.
  9. Tighten
    Tighten the screw to 9 N·m (80 lb in).

  10. Install the horn net.
  11. Install both rear upper quarter sail panels. Refer to Sail Panel Replacement .
  12. Install the rear seat back. Refer to Rear Seat Back Replacement .
  13. Install the rear seat cushion. Refer to Rear Seat Cushion Replacement .