GM Service Manual Online
For 1990-2009 cars only
  1. Open the sunshade to the full rearward position.
  2. Cycle the sunroof window from the full closed to the full open position.
  3. Remove the sunroof side panel cover. Refer to Sunroof Panel Side Opening Closeout Cover Replacement.

  4. Object Number: 1938699  Size: SH
  5. Remove the excess dirt from the sunroof runner guide (1).
  6. Clean the sunroof drains. Refer to Sunroof Drain Inspection and Cleaning.

  7. Object Number: 1938697  Size: SH
  8. Remove the excess dirt around the sunroof air deflector (1) and sunroof air deflector spring (2).

  9. Object Number: 1938701  Size: SH
  10. Remove the excess dirt around the sunroof glass guide (1).
  11. Inspect the sunroof glass guide (1) for wear or deterioration of the sunroof mechanism.

  12. Object Number: 1938703  Size: SH
  13. Remove the excess dirt from the sunroof shade panel runner (1).

  14. Object Number: 1938691  Size: SH
  15. Clean the excess dirt around the sunroof glass (1).

  16. Object Number: 1938699  Size: SH
  17. Lubricate the sunroof runner guide (1) with an approved grease or equivalent.

  18. Object Number: 1938701  Size: SH
  19. Lubricate the sunroof glass guide (1) with an approved grease or equivalent.

  20. Object Number: 1938703  Size: SH
  21. Lubricate the sunroof shade panel runner  (1) with an approved grease or equivalent.
  22. Important: Before fitment of the sunroof side opening cover make sure that the cover is clean.

  23. Install the sunroof side panel cover. Refer to Sunroof Panel Side Opening Closeout Cover Replacement.