GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Caution: Do not attempt to service the regulator motor without releasing the counterbalance spring tension. The regulator lift arm is under tension from the counterbalance spring and can cause personal injury if the motor is removed from the regulator.

  1. Remove the window regulator. Refer to Front Side Door Window Regulator Replacement or Rear Side Door Window Regulator Replacement .

  2. Object Number: 294594  Size: SH
  3. Drill a hole through the window regulator and the sector gear.

  4. Object Number: 294598  Size: SH
  5. Install a bolt and a nut through the hole in order to lock the sector gear in position.
  6. Drill out the rivets that secure the power window motor to the window regulator.
  7. Remove the power window motor from the window regulator.

Installation Procedure

  1. Install the power window motor to the window regulator.

  2. Object Number: 294598  Size: SH

    Important: Remove the nut and the bolt that were used in order to secure the sector gear in position.

  3. Install the rivets in order to secure the power window motor to the window regulator.
  4. Install the window regulator. Refer to Front Side Door Window Regulator Replacement or Rear Side Door Window Regulator Replacement .