GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Warning: Refer to Express Down Feature Warning in the Preface section.

Note: The window motor and door module are sealed from the factory, and are serviced as part of the regulator assembly. The entire unit must be replaced if repairs are necessary.

  1. Lower the door window.
  2. Warning: Refer to Battery Disconnect Warning in the Preface section.

  3. Disconnect the battery.

  4. Object Number: 63818  Size: SH
  5. Remove the door trim panel. Refer to Door Trim Panel Replacement.

  6. Object Number: 1071318  Size: SH
  7. Disconnect the door panel electrical connector.

  8. Object Number: 929155  Size: SH
  9. Remove the large water deflector (1) for inside access to the rear of the door.

  10. Object Number: 929163  Size: SH
  11. Remove the small mastic seals (1) near the top of the door for access to the upper regulator mounting fasteners.
  12. Remove the small plug on the bottom of the door for access to the lower regulator mounting fastener.

  13. Object Number: 929180  Size: SH

    Note: Do not handle the speaker by the water deflector.

  14. Remove the radio speaker fasteners (4).
  15. Remove the electrical connector lock.

  16. Object Number: 929181  Size: SH
  17. Disconnect the electrical harness.
  18. Remove the radio speaker from the door.

  19. Object Number: 63801  Size: SH
  20. Remove the door window. Refer to Door Window Replacement.

  21. Object Number: 1070906  Size: SH
  22. Disconnect the regulator motor electrical connector (3).

  23. Object Number: 929153  Size: SH
  24. Slide the connector lock (1) up. Separate the harness.

  25. Object Number: 63807  Size: SH
  26. Mark the location of the regulator to aid in reassembly. Note the position and depth of the regulator mounting pads for positioning new parts.
  27. Remove the nuts from the regulator lower channel studs.
  28. Remove the nuts from the regulator motor studs.
  29. Remove the nuts from the upper regulator channel studs.

  30. Object Number: 929172  Size: SH
  31. Compact the regulator (2) and remove the regulator through the inner door access opening.

Installation Procedure

    Warning: Refer to Express Down Feature Warning in the Preface section.


    Object Number: 63807  Size: SH
  1. If replacing the window regulator with a new part, adjust the replacement assembly jack screws to match the old regulator settings.
  2. Compact the regulator assembly, and insert the entire unit with the motor forward, into the door.

  3. Object Number: 419052  Size: SH
  4. Position the motor studs through the door inner panel.
  5. Caution: Refer to Fastener Caution in the Preface section.

  6. Install the window regulator motor nuts and tighten to 10 N·m (89 lb in).

  7. Object Number: 419054  Size: SH
  8. Guide the regulator channel studs into, and through the holes in the door.
  9. Loosely install the nuts to the regulator channel studs.

  10. Object Number: 1070906  Size: SH
  11. Connect the electrical connector (3) to the motor (1).

  12. Object Number: 929153  Size: SH
  13. Slide the connector lock (1) to the seated position.

  14. Object Number: 63801  Size: SH
  15. Install the window. Refer to Door Window Replacement.
  16. Adjust the window to align with the door opening. Refer to Door Window Major Height Adjustment and Door Window Tip-In Adjustment.
  17. Connect the battery.
  18. Connect the door window switch, and run window regulator clamps up to meet glass.
  19. Tighten the window regulator clamps to secure the glass and tighten to 16 N·m (12 lb ft).
  20. Tighten the nuts to the regulator channel studs in the following order and tighten to 10 N·m (89 lb in).
  21. 14.1. Upper forward
    14.2. Upper rearward
  22. Run window glass to the full down position.
  23. Tighten the nuts to the regulator channel studs in the following order and tighten to 10 N·m (89 lb in).
  24. 16.1. Lower forward
    16.2. Lower rearward

    Object Number: 63834  Size: SH
  25. Install the small mastic seals in the window clamp sight access holes.

  26. Object Number: 929181  Size: SH
  27. Connect the harness electrical connector to the speakers. Install the connector lock.

  28. Object Number: 929180  Size: SH
  29. Install the uppermost screws (4) mounting the speaker assembly to the door.
  30. Verify proper fit of speaker tab (2), noting the index notch in the door.
  31. Install the remaining door speaker screws and tighten to 3 N·m (27 lb in).

  32. Object Number: 929155  Size: SH
  33. Install the water deflector (1).

  34. Object Number: 1071318  Size: SH
  35. Connect the door panel electrical connector.
  36. Install the door trim panel. Refer to Door Trim Panel Replacement.
  37. Inspect the window fit, adjust as necessary. Refer to Door Window Major Height Adjustment or Door Window Tip-In Adjustment or Door Window Minor Height Adjustment.
  38. Install the access plug into the bottom of the door.
  39. Verify the operation of the window(s), mirror(s), and door switch electrical functions.
  40. Reinitialize the windows. Refer to Power Window Reinitialization.