GM Service Manual Online
For 1990-2009 cars only

Sunroof Housing Drain Gutter Replacement Extended Cab

Removal Procedure

    Important: Tape off the perimeter of the sunroof window opening before removing the sunroof module to prevent scratching.

  1. Remove the air deflector. Refer to Sunroof Air Deflector Replacement.
  2. Set the sunroof window to be in the open position of a minimum of 25 mm (1 in).
  3. Important: It is only necessary to lower the headlinder. Only do those steps in headlinder replacement that will lower the headlinder enough to grain access.

  4. Remove the sunroof module assembly.

  5. Object Number: 1825236  Size: SH
  6. Remove the screws (1) from the water gutter (2).

  7. Object Number: 1825238  Size: SH
  8. Slide the water gutter rearward to release the retaining tabs (1) from the slots (2) in the track.
  9. Remove the water gutter (3) from the track.

Installation Procedure


    Object Number: 1825238  Size: SH
  1. Position the sunroof water gutter to the sunroof window track.
  2. Seat the retaining tabs (1) on the water gutter (3) into the slots (2) in the track, and push the water gutter forward until the retaining tabs lock into place.
  3. Ensure that all 6 tabs are secured.
  4. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1825236  Size: SH
  5. Install the water gutter screws (1).
  6. Tighten
    Tighten the screws to 2 N·m (18 lb in).

  7. Install the sunroof module.
  8. Open the sunroof window to the fully open position.
  9. Install the air deflector. Refer to Sunroof Air Deflector Replacement.
  10. Remove the tape from around the perimeter of the sunroof window.
  11. Verify that the sunroof is operating properly.