GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2003 🢒 Rendezvous - AWD 🢒 Body and Accessories 🢒 Doors 🢒 Rear Side Door Window Regulator Replacement

Removal Procedure

    Object Number: 621587 Size: SH
  1. Remove the rear door trim panel. Refer to Rear Side Door Trim Panel Replacement .
  2. Remove the water deflector. Refer to Rear Side Door Water Deflector Replacement .
  3. Remove the speaker. Refer to Radio Rear Side Door Speaker Replacement .
  4. Disconnect the window from the regulator carrier plate. Refer to Rear Side Door Window Replacement .
  5. Position the window in the full up position and tape it to the window frame.
  6. Disconnect the electrical connector from the window regulator motor.
  7. Loosen the bolts on the window regulator motor.
  8. Loosen the bolts on the window regulator rail.
  9. Remove the window regulator, lifting up and out from the key slots on the rear door inner panel and through the rear access hole.

Installation Procedure

    Object Number: 621587 Size: SH
  1. Install the rear window regulator bolts half way into the rear window regulator motor and the rail.
  2. Position the window regulator rail through the rear access hole first.
  3. Position the window regulator motor through the rear access hole.

    4. 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.

  4. Install the window regulator into the key slots. Attach the regulator to the motor and the rail. Secure the regulator with bolts.

    5. Tighten
    Tighten the bolts to 11N·m  (97 lb in).

  5. Remove the tape and position the rear window to the regulator carrier plate.
  6. Connect the window to the regulator carrier plate. Refer to Rear Side Door Window Replacement .
  7. Connect the electrical connector to the rear window regulator motor.
  8. Install the rear speaker. Refer to Radio Rear Side Door Speaker Replacement .
  9. Install the water deflector. Refer to Rear Side Door Water Deflector Replacement .
  10. Install the trim panel. Refer to Rear Side Door Trim Panel Replacement .