GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1294372  Size: SH
  1. Place the folding top in the up position.
  2. Open the rear compartment.
  3. Place a protective covering over the interior and the adjacent body panels.
  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. Remove the compartment side trim. Refer to Rear Compartment Side Trim Replacement - Left Side.

  8. Object Number: 1247420  Size: SH
  9. Locate the electrical connector (1) on the position sensor switch.

  10. Object Number: 1247423  Size: SH
  11. Remove the electrical connector (2) from the retainer clip (1).
  12. Disconnect the electrical connector.

  13. Object Number: 1247425  Size: SH
  14. Note the amount of wire between the tie wrap and the position sensor switch prior to cutting the tie wrap holding the electrical wire to the bracket.

  15. Object Number: 1247426  Size: SH
  16. Remove the position sensor switch screw (2).
  17. Remove the position sensor switch from the link (1).

Installation Procedure


    Object Number: 1247429  Size: SH
  1. Verify that the switch pin (2) is positioned between the bracket (3) and the link actuator (1).
  2. Align the position sensor switch to the link, aligning the pin on the switch (1) to the hole in the bracket.

  3. Object Number: 1247426  Size: SH
  4. Apply LOCTITE™ Blue, GM P/N 12345382 (Canadian P/N 10953489) or equivalent to the bolts.
  5. Caution: Refer to Fastener Caution in the Preface section.

  6. Install the screw (2) to the position sensor switch and tighten to 2.5 N·m (22 lb in).

  7. Object Number: 1247423  Size: SH
  8. Connect the electrical connector (2) to the position sensor switch.
  9. Connect the electrical connector to the retainer clip (1).

  10. Object Number: 1247425  Size: SH
  11. Secure the electrical connector to the bracket with a new tie wrap. Use the same amount of wire between the tie wrap and the position sensor switch that you replaced.
  12. Install the compartment side rim. Refer to Rear Compartment Side Trim Replacement - Left Side.

  13. Object Number: 1274131  Size: SH
  14. Turn the pump bypass valve (1) clockwise until the valve stops.
  15. Remove the protective covering.
  16. Close the rear compartment.
  17. Install the support and the carpet over the hydraulic pump.
  18. Operate the folding top under power through one complete cycle in each direction.
  19. Inspect the folding top for proper operation. Refer to Power Folding Top Description and Operation.