GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Open the sunshade to the full open position.
  2. Remove the sunroof module upper frame. Refer to Sunroof Frame Replacement - Upper .

  3. Object Number: 1402326  Size: SH
  4. Remove the guides (1) from the sliders (2).

  5. Object Number: 1774163  Size: SH
  6. Remove the drive cables and sliders (1) from the guides.

  7. Object Number: 1774164  Size: SH
  8. Remove the lever (1) by rotating it forward and slide it together with the locker slider forward.

  9. Object Number: 1774165  Size: SH
  10. Remove the lever carefully by using a flat-bladed tool between the track and the levers.
  11. The track is not serviceable. If damaged replace the sunroof window.


    Object Number: 1774166  Size: SH
  12. Remove the front end of the locker slider to the outside and slide it forward.

  13. Object Number: 1774167  Size: SH
  14. Apply a light coat of lubricant (1) to the following parts:
  15. • The guides
    • The curve of the driving slider
    • The lever
    • The locker sliders
    • The track is not serviceable. If damaged replace the sunroof window.
    • It bonded to the sunroof window panel.

Installation Procedure


    Object Number: 1774168  Size: SH
  1. Place the locker slide, with the front to the outside, and slide it rearward.

  2. Object Number: 1774169  Size: SH
  3. Slide the locker slider forward.
  4. Push the pin (1) of the lever (2) carefully through the track (3) in the locker slide.

  5. Object Number: 1774171  Size: SH
  6. Slide the lever together with the locker slide rearward, and rotate the lever rearward.

  7. Object Number: 1774172  Size: SH
  8. Mount the driving slide (1) to the lever and the front tumbler.

  9. Object Number: 1774173  Size: SH

    Important: Do Not force the guides to the sliders. Use care.

  10. Position the front tumbler and the driving slide in-line with each other.
  11. Slide the guide carefully over the front tumbler and driving slider extends 4.5 cm (2 in) out of the guide.

  12. Object Number: 1774175  Size: SH
  13. Mount the drive cable on the driving slide.
  14. Rotate the drive cable, so that the points of the oval cable end fit into the guides.

  15. Object Number: 1774176  Size: SH
  16. Slide the guides rearwards until the end of the driving slide is 1 cm (3/8 in) within the guide.
  17. Install the sunroof module upper frame. Refer to Sunroof Frame Replacement - Upper .
  18. Verify the operation of the sunroof.
  19. Close the sunshade.