GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1294374  Size: SH
  1. Place the folding top in the down position.
  2. Place a protective covering over the interior of the vehicle and the adjacent body panels.
  3. Open the rear compartment.
  4. Locate the hydraulic pump beneath the carpet in the storage compartment on the driver side of the trunk.

  5. Object Number: 1274131  Size: SH
  6. Turn the bypass valve (1) counterclockwise until the valve stops.

  7. Object Number: 1228701  Size: SH
  8. Pull the over-center links (1) down to unlock the storage compartment panel.

  9. Object Number: 1274133  Size: SH
  10. Pull the closeout panel rearward.

  11. Object Number: 1228644  Size: SH
  12. Use a grease pencil to mark the location of the bolts (2) and the nuts (1) to the link.
  13. With the aid of an assistant, remove the bolts and the nuts from the storage compartment panel.

  14. Object Number: 1228639  Size: SH
  15. Remove the storage compartment panel from the vehicle.

Disassembly Procedure

  1. Remove the storage compartment trim panel. Refer to Folding Top Storage Compartment Panel Trim Replacement - Rear .
  2. Remove the storage compartment panel seal. Refer to Folding Top Storage Compartment Panel Seal Replacement - Rear .

Assembly Procedure

  1. Install the storage compartment panel seal. Refer to Folding Top Storage Compartment Panel Seal Replacement - Rear .
  2. Install the storage compartment trim panel. Refer to Folding Top Storage Compartment Panel Trim Replacement - Rear .

Installation Procedure


    Object Number: 1228639  Size: SH
  1. With the aid of an assistant, position the storage compartment panel to the vehicle.

  2. Object Number: 1228644  Size: SH
  3. Hand start the storage compartment panel bolts (2) and nuts (1). Do NOT tighten.
  4. Apply LOCTITEâ„¢ Blue, GM P/N 12345382 (Canadian P/N 10953489) or equivalent to the bolts.
  5. Notice: Refer to Fastener Notice in the Preface section.

  6. Align the bolts and the nuts to the grease marks on the link.
  7. Tighten

        • Tighten the bolts to 11 N·m (97 lb in).
        • Tighten the nuts to 6 N·m (53 lb in).

    Object Number: 1274133  Size: SH
  8. Push the closeout panel to the down position.

  9. Object Number: 1228701  Size: SH
  10. Push the over-center links (1) up to lock the storage compartment panel.

  11. Object Number: 1274131  Size: SH
  12. Turn the hydraulic pump bypass valve (1) clockwise until the valve stops.
  13. Remove the protective covering.
  14. Install the support and the carpet over the hydraulic pump.
  15. Close the rear compartment.
  16. Verify that the storage compartment panel is properly aligned. Refer to Folding Top Clearance Gap Specifications .
  17. Adjust the storage compartment panel, if required. Refer to Folding Top Stowage Compartment Panel Adjustment - Rear .
  18. Cycle the folding top under power through one complete cycle in both directions.
  19. Inspect the folding top for proper operation. Refer to Power Folding Top Description and Operation .