GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the sunroof window. Refer to Sunroof Window Replacement.

  2. Object Number: 594496  Size: SH
  3. Remove the screws (1) that retain the water trough to the sunroof assembly.
  4. Remove the water trough from the sunroof assembly from the top of the vehicle.
  5. Note: The sunshade must be removed from the top of the vehicle.

  6. Slide the sunshade forward.

  7. Object Number: 757742  Size: SH
  8. Flex the center of the sunshade (2) upward while simultaneously sliding the panel sideways to release the retaining tabs (3) from the track slot (1).
  9. Remove the sunshade from the top of the vehicle.

Installation Procedure


    Object Number: 757742  Size: SH
  1. Position the sunshade to the vehicle from the top of the vehicle.
  2. Install the retaining tabs on one side of the sunshade into the track slot of the sunroof.
  3. Flex the center of the sunshade (2) upwards while simultaneously inserting the retaining tabs (3) into the track slot (1).
  4. Ensure that the sunshade tabs are fully seated in the track slots, and the sunshade slides smoothly.

  5. Object Number: 594496  Size: SH
  6. Install the water trough to the sunroof from the top of the vehicle.
  7. Caution: Refer to Fastener Caution in the Preface section.

  8. Install the screws (1) that retain the water trough to the sunroof.
  9. Tighten
    Tighten the screws to 1 N·m (9 lb in).

  10. Install the sunroof window. Refer to Sunroof Window Replacement.