GM Service Manual Online
For 1990-2009 cars only

Folding Top Replacement Manual Top

Removal Procedure


    Object Number: 1507225  Size: SH
  1. Position the number 1 bow and the number 5 bow in an up position.
  2. Open top stowage compartment lid.
  3. Remove the lock pillar upper trim panel. Refer to Body Lock Pillar Trim Panel Replacement
  4. Disconnect the rear defogger electrical connections at the seat belt tower.

  5. Object Number: 1508879  Size: SH
  6. Remove pivot bracket brace.
  7. Remove the folding top pivot bracket bolts with an assistant.
  8. With an assistant, slide the top slightly up and then rearward and out of the pillar bracket pin.

Installation Procedure


    Object Number: 1516662  Size: SH
  1. With an assistant, position the folded top to the vehicle with the top pivot bracket resting on the pillar bracket pin.
  2. Ailing bolt holes by inserting a drift pin in the alignment hole (1).

  3. Object Number: 1508879  Size: SH
  4. Install pivot bracket brace.
  5. Install the pivot bracket bolts.
  6. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1707512  Size: SH
  7. Install the folding top bolts to the body in the mandatory sequence 1, 2, 3.
  8. Tighten
    Tighten the bolts to 25 N·m (18 lb ft).

  9. Connect the rear defogger electrical connections.
  10. Close and latch the top.
  11. Install the lock pillar trim panel. Refer to Body Lock Pillar Trim Panel Replacement .
  12. Check top for proper operation.
  13. Water test the folding top.

Folding Top Replacement Power Top

Removal Procedure

Important: The power folding top is serviced as a complete assembly. Folding top cover, frame, hydraulic pump and folding top control module are all included in the service part assembly.


    Object Number: 1507225  Size: SH
  1. Position the #1 bow and the #5 bow in an up position.
  2. Open the folding top stowage lid.
  3. Disconnect the battery. Refer to Battery Negative Cable Disconnection and Connection.
  4. Remove the stowage compartment carpet. Refer to Rear Compartment Rear Center Trim Panel Carpet Replacement.
  5. Disconnect the rear defogger electrical connections at the seat belt tower.

  6. Object Number: 1516642  Size: SH
  7. Disconnect the electrical connector from the hydraulic pump bracket.
  8. Disconnect the stowage lid hydraulic cylinders from the hinge. Refer to Folding Top Cylinder Replacement .

  9. Object Number: 1339455  Size: SH
  10. Open the fold-over clips (1) that retain the electrical harness and hydraulic hoses to the floor.
  11. Remove folding top control module. Refer to Folding Top Control Module Replacement .

  12. Object Number: 1509921  Size: SH
  13. Remove the hydraulic pump nuts (1).

  14. Object Number: 1508879  Size: SH
  15. Remove the folding top pillar bracket bolts with an assistant.
  16. With an assistant, slide the top slightly up and then rearward and out of the pivot bracket.
  17. Remove the folding top assembly.

Installation Procedure


    Object Number: 1516662  Size: SH
  1. With an assistant, position the folded top to the vehicle with the top resting on the pivot bracket pin.
  2. Insert a drift pin into the alignment hole (1) to align bolt holes.

  3. Object Number: 1508879  Size: SH
  4. Remove the drift pin.

  5. Object Number: 1707512  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  6. Install the folding top bolts to the body in the mandatory sequence 1,2,3.
  7. Tighten
    Tighten the bolts to 25 N·m (18 lb ft).


    Object Number: 1509921  Size: SH
  8. Install the hydraulic pump nuts (1).
  9. Tighten
    Tighten the nuts to 10 N·m (89 lb in).


    Object Number: 1339455  Size: SH
  10. Install the folding top control module. Refer to Folding Top Control Module Replacement .
  11. Install the folding top stowage lid hydraulic cylinders. Refer to Folding Top Cylinder Replacement .
  12. Install the electrical harness and hydraulic hose fold-over clips (1) to the floor. Fold the clips over to retain the electrical harness and hydraulic hoses.
  13. Connect the electrical connector to the hydraulic pump.
  14. Connect the rear defogger electrical connections.
  15. Install the rear compartment carpet. Refer to Rear Compartment Rear Center Trim Panel Carpet Replacement.
  16. Connect the battery. Refer to Battery Negative Cable Disconnection and Connection.
  17. Close and latch the top.
  18. Inspect the top for proper operation. Refer to Power Folding Top Description and Operation .
  19. Water test the folding top.