GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2003 🢒 Park Avenue 🢒 Body and Accessories 🢒 Doors 🢒 Rear Side Door Window Adjustment

Removal Procedure

    Object Number: 428135 Size: SH
  1. Place the door glass in the full-up position.
  2. Remove the door trim panel. Refer to Rear Side Door Trim Panel Replacement .
  3. Remove the water deflector. Refer to Rear Side Door Water Deflector Replacement .
  4. Using a marker draw a line on the glass across the header.
  5. Connect the power window switch.
  6. Lower the window approximately 50 mm (2 in).
  7. Disconnect the power window switch.
  8. Visually inspect the parallelism of the line to the header.
  9. Adjust the inner panel, (if required).
  10. Loosen the cam adjusting fastener.
  11. Adjust the door window parallel to header.

    12. 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.

  12. Adjust the door window parallel to the header.

    13. Tighten
    Tighten the screw to 9 N·m (80 lb in).

Installation Procedure
  1. Install the water deflector. Refer to Rear Side Door Water Deflector Replacement .
  2. Install the door trim panel. Refer to Rear Side Door Trim Panel Replacement .