GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1999 🢒 Regal 🢒 Body and Accessories 🢒 Roof 🢒 Sunroof Glass Panel Replacement

Removal Procedure
  1. Position the sunshade fully open.
  2. Place the sunroof window in the vent position.

    3. Object Number: 470705 Size: SH

  3. Remove the 4 sunroof screws (2 on each side).

  4. Remove the sunroof window from the module.

Installation Procedure
  1. Position the sunroof window in the module. Ensure that the information logo stencil is toward the rear of the opening.

    2. Object Number: 470705 Size: SH

  2. 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.

  3. Install the window screws.

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

  4. Adjust the sunroof window. Refer to Sunroof Panel Vertical Adjustment .
  5. Open and close the sunroof window in order to test the fit of the window.