For 1990-2009 cars only
Removal Procedure
- Place the folding top in the coupe position.
- Open the rear compartment.
- Place a protective covering over the interior and the adjacent body panels.
- Locate the hydraulic pump beneath the carpet in the storage compartment on the driver side of the trunk.
- Turn the bypass valve (1) counterclockwise until the valve stops.
- Locate the potentiometer (1).
- Disconnect the potentiometer electrical connector (1) from the link (2).
- Disconnect the electrical connector.
- Remove the potentiometer screw (1).
- Remove the potentiometer (2) from the link (3).
Installation Procedure
- The potentiometer service kit contains one potentiometer (2) and 3 electrical connector retainer clips (1). Find and install the retainer clip that matches the clip on the potentiometer that you are replacing.
- Position the potentiometer (1) to the link (3). Align the D-shaped rotor into the D-shaped hole (4) in the link.
- Rotate the potentiometer until the screw holes (2) are aligned.
- Apply LOCTITE™ Blue, GM P/N 12345382 (Canadian P/N 10953489) or equivalent to the bolts.
- Install the potentiometer screw (1) and tighten to 3.5 N·m (31 lb in).
- Connect the potentiometer electrical connector (1).
- Clip the electrical connector to the link (2) in the original location.
- Turn the pump bypass valve (1) clockwise until the valve stops.
- Remove the protective covering.
- Install the support and the carpet over the hydraulic pump.
- Close the rear compartment.
- Calibrate the folding top. Refer to Power Folding Top Learn.
- Inspect the folding top for proper operation. Refer to Power Folding Top Description and Operation.
Caution: Refer to Fastener Caution in the Preface section.
