GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2005 🢒 XLR 🢒 Body 🢒 Roof 🢒 Folding Top Storage Compartment Panel Hydraulic Cylinder Replacement - Rear

Removal Procedure

    Caution: Refer to Eye Protection Caution in the Preface section.

    Caution: Refer to Folding Top Hydraulic Pressure Caution in the Preface section.

    Caution: Refer to Servicing Electrical Components Caution in the Preface section.


    Object Number: 1294374 Size: SH
  1. Place the folding top in the down position.
  2. Open the rear compartment.

    3. Object Number: 1274144 Size: SH
  3. Lower the rear compartment partition (1).
  4. Locate the hydraulic pump beneath the carpet in the storage compartment on the driver side of the rear compartment.

    5. Object Number: 1274131 Size: SH
  5. Turn the pump bypass valve (1) counterclockwise until the valve stops.
  6. Place a protective covering over the interior of the rear compartment and the adjacent body panels.

    7. Object Number: 1228649 Size: SH
  7. Remove the spring-clip (1) from the cylinder retainer pin (2).
  8. Remove the cylinder retainer pin (2).

    9. Object Number: 1228648 Size: SH
  9. Remove the cylinder retainer spring-clip (1).

    10. Object Number: 1228632 Size: SH
  10. Remove the cylinder (1) from the link (2).

Disassembly Procedure

    Notice: Refer to Cylinder Hoses Notice in the Preface section.


    Object Number: 1247299 Size: SH

    Important: Once the cylinder hose or the port plug has been removed, do NOT move the cylinder rod. This will cause fluid to squirt out of the ports.

  1. Ensure that the ignition switch is in the OFF position and that the folding top has not been operated under power for at least 6 minutes.
  2. Remove the reservoir filler plug (1).

    3. Object Number: 1226132 Size: SH

    Important: Remove the 2 hose connectors one at a time. This procedure is repeated later for the second hose.

  3. Using a small flat-bladed tool, release the retainer clip (1) from one of the cylinder hoses.

    4. Object Number: 1226135 Size: SH

    Important: Before disconnecting the cylinder hoses, have the replacement cylinder ready.

  4. Remove the cylinder hose retainer clip (1).

    5. Object Number: 1226139 Size: SH
  5. Remove the cylinder hose (1). Use a clean shop towel to control any hydraulic fluid leakage.

    6. Object Number: 1226143 Size: SH
  6. Remove the cylinder hose O-ring (1).

    7. Important: Replacement cylinders are filled with fluid. Do NOT remove the port plug from the cylinder until you are ready to connect the cylinder hose.

  7. Using a small flat-bladed tool, release one of the port plug retainer clips from the replacement cylinder.
  8. Remove the retainer clips from the replacement cylinder.
  9. Remove the port plug from the replacement cylinder.
  10. Remove the port plug O-ring from the replacement cylinder.

Assembly Procedure

    Object Number: 1226145 Size: SH
  1. Install a new O-ring (1) onto the cylinder hose (2).
  2. Install the hose (2) into the cylinder port (3). Press down on the hose until the hose is fully seated in the cylinder.

    3. Object Number: 1226152 Size: SH
  3. Install a new cylinder hose retainer clip (1). Inspect the retainer clip to ensure that the clip is fully seated around the hose (2).
  4. Repeat this procedure for the other hose.

    5. Object Number: 1247299 Size: SH
  5. Install the reservoir filler plug (1).

Installation Procedure

    Object Number: 1228632 Size: SH
  1. Install the cylinder (1) to the link (2).

    2. Object Number: 1273766 Size: SH
  2. Install the cylinder retainer pin spring-clip (1).

    3. Object Number: 1228649 Size: SH
  3. Install the cylinder retainer pin (2).
  4. Install the spring-clip (1) to the cylinder retainer (2).
  5. Remove the protective covering.

    6. Object Number: 1274131 Size: SH
  6. Turn the pump bypass valve (1) clockwise until the valve stops.
  7. Install the support and the carpet over the hydraulic pump.

    8. Object Number: 1274144 Size: SH
  8. Close the rear compartment.
  9. Bleed the hydraulic system. Refer to Folding Top Hydraulic System Bleeding Procedure .
  10. Inspect the hydraulic system for fluid leaks.
  11. Inspect the fluid level of the hydraulic system and add fluid as needed. Refer to Folding Top Fluid Addition .
  12. Inspect the folding top for proper operation. Refer to Power Folding Top Description and Operation .