GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Lumina 🢒 Body and Accessories 🢒 Roof 🢒 Sunroof Actuator Replacement

Removal Procedure
  1. Remove the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.

    2. Object Number: 294344 Size: SH
  2. Disconnect the roof harness from the sunroof module harness.
  3. Remove the sunroof actuator mounting screws.
  4. Remove the sunroof actuator from the sunroof module.

Installation Procedure

    Important: If you move the sunroof actuator position or change the position of the sunroof window when the sunroof actuator is removed, close the sunroof window panel. The sunroof window panel must be in the closed position before you reinstall the sunroof actuator.

  1. Install the sunroof actuator to the sunroof module.

    2. Object Number: 294344 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.

  2. Install the sunroof actuator mounting screws.

    3. Tighten
    Tighten the sunroof actuator screws to 4 N·m (35 lb in).

  3. Connect the roof harness to the sunroof module harness.
  4. Temporarily connect the sunroof switch and check the sunroof operation.
  5. Install the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.
  6. Check the sunroof operation. Refer to Power Sunroof Circuit Description .