GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1999 🢒 Park Avenue 🢒 Body and Accessories 🢒 Doors 🢒 Power Window Motor Replacement

Removal Procedure

    Important: Ensure that the window is in the full-up position.

  1. Remove the door trim panel. Refer to Front Side Door Trim Panel Replacement or to Rear Side Door Trim Panel Replacement .
  2. Remove the water deflector. Refer to Front Side Door Water Deflector Replacement or Rear Side Door Water Deflector Replacement .

    3. Object Number: 428140 Size: SH
  3. Disconnect the electrical connectors.
  4. Remove the 3 nuts.
  5. Remove the motor (1).

Installation Procedure

    Object Number: 428140 Size: SH
  1. Install the motor (1).
  2. Install the 3 nuts.
  3. Connect the electrical connectors.
  4. Install the water deflector. Refer to Front Side Door Water Deflector Replacement or Rear Side Door Water Deflector Replacement .
  5. Install the door trim panel. Refer to Front Side Door Trim Panel Replacement or to Rear Side Door Trim Panel Replacement .