GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Lower the window into the midgate.

  2. Object Number: 1412513  Size: SH
  3. Remove the midgate inner panel. Refer to Midgate Inner Panel Replacement .
  4. Remove the midgate hinge finish covers. Refer to Midgate Hinge Finish Cover Replacement in Interior Trim.

  5. Object Number: 1236621  Size: SH
  6. Release the midgate latches, opening the midgate until the holes in the hinge assembly are aligned.
  7. Install 5 mm (0.196 in) pins (2) or an allen wrench through the holes in each hinge (1) to support the midgate.

  8. Object Number: 1412506  Size: SH
  9. Remove the midgate window outer sealing strip. Refer to Midgate Window Outer Sealing Strip Replacement .

  10. Object Number: 1427954  Size: SH
  11. Disconnect the electrical connector (3) to the defroster grid contact terminal.
  12. Loosen the bolts (1) retaining the window to the midgate window clamp.

  13. Object Number: 1412518  Size: SH
  14. Remove the midgate window out through the top of the midgate assembly.

Installation Procedure


    Object Number: 1412518  Size: SH
  1. Install the midgate window into the midgate though top of the midgate assembly.
  2. Ensure the window is engaged into the window run channels.


    Object Number: 1427954  Size: SH
  3. Lower the window (2) onto the window regulator assembly clamps.
  4. Install the bolts (1) retaining the midgate window to the window regulator clamps until they are finger tight.
  5. Connect the electrical connector (3) to the defroster grid contact terminal.

  6. Object Number: 1412506  Size: SH
  7. Install the midgate window outer sealing strip. Refer to Midgate Window Outer Sealing Strip Replacement .

  8. Object Number: 1236621  Size: SH
  9. Remove the pins (2) from the midgate hinges (1) supporting the midgate.
  10. Close the midgate.
  11. Operate the midgate window until the window is fully closed and engaged in the midgate weatherstrip.
  12. Carefully lower the window in order to access the window clamp bolts.
  13. Notice: Refer to Fastener Notice in the Preface section.

  14. Complete tightening of the bolts retaining the midgate window to the window regulator.
  15. Tighten
    Tighten the nuts to 5 N·m (44 lb in).

  16. Inspect the operation of the midgate window.
  17. Install the midgate hinge finish covers. Refer to Midgate Hinge Finish Cover Replacement in Interior Trim.

  18. Object Number: 1427709  Size: SH
  19. Install the midgate inner panel (1). Refer to Midgate Inner Panel Replacement .