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For 1990-2009 cars only

SMU - Revised Sunshade Replacement

Subject:Revised Sunshade Replacement

Models:2002-2003 Chevrolet TrailBlazer, TrailBlazer EXT
2002-2003 GMC Envoy, Envoy XL
2002-2003 Oldsmobile Bravada



This bulletin is being issued to revise the Sunshade Replacement procedure in the Interior Trim sub-section of the Service Manual. Please replace the current information in the Service Manual with the following information.

The following information has been updated within SI. If you are using a paper version of this Service Manual, please make a reference to this bulletin on the affected page.

Removal Procedure

  1. Remove the windshield garnish molding. Refer to Garnish Molding Replacement - Windshield Pillar.
  2. Release the front assist handle from the headliner. Refer to Assist Handle Replacement.
  3. Recline the bucket seat and release the upper portion of the center pillar trim panel. Refer to Garnish Molding Replacement - Center Pillar.
  4. Open and rotate the sunshade parallel to the side window.

  5. Object Number: 672367  Size: SH
  6. Insert a small tool into the bezel access hole (1).
  7. Important: Midway through the rotation cycle, the tool will move further into the access hole.

  8. Push upward on the tool while rotating the sunshade parallel to the windshield. The sunshade pivot arm bezel should appear to be recessed into the bezel.

  9. Object Number: 930979  Size: SH

    Important: Ensure the pivot arm is recessed into the bezel before removing the sunshade from the headliner.

  10. Apply outboard pressure to the sunshade while the sunshade is parallel to the windshield.

  11. Object Number: 930983  Size: SH
  12. Pull the sunshade downward while maintaining outboard pressure to the sunshade. You will notice a separation between the headliner and the sunshade bezel.
  13. In order to remove the sunshade from the headliner, carefully grab the headliner at the windshield pillar area and apply downward pressure while gently rocking the sunshade up and down.

  14. Object Number: 672434  Size: SH
  15. Remove the inboard retainer screw.
  16. Remove the inboard retainer (1) from the headliner.
  17. If the vehicle is equipped with lighted sunshades, perform the following steps.

  18. Object Number: 772180  Size: SH
    12.1. Reach above the headliner to access the electrical connector (1).
    12.2. Remove the electrical connectors from the headliner substrate.
    12.3. Disconnect the sunshade electrical connector from the headliner harness.
  19. Remove the sunshade from the vehicle.

Installation Procedure

  1. If the vehicle is equipped with lighted sunshades, perform steps 2 through 8.

  2. Object Number: 769574  Size: SH
  3. Lower the headliner in order to gain access to the wire harness.
  4. Position the sunshade to the headliner.
  5. Connect the sunshade electrical connector to the headliner harness.
  6. Using a glue gun, hot melt the electrical connectors (1) to the headliner substrate, ensuring the connectors are securely attached to the substrate.

  7. Object Number: 672380  Size: SH
  8. Route the wire harness until fully seated into the sunshade wire harness channel located on the pivot arm.
  9. Important: If the wire harness retaining clip is removed from the sunshade for any reason, a new retaining clip must be installed.


    Object Number: 672466  Size: SH
  10. Position the wire harness retaining clip between the headliner and the roof panel.
  11. Position the index tabs on the wire harness retaining clip to the pivot arm and install the clip until fully seated.
  12. With the wire harness retaining clip installed, the sunshade should remain attached to the headliner.


    Object Number: 672434  Size: SH
  13. Position the inboard retainer (1) to the roof panel.
  14. Notice: Refer to Fastener Notice in Cautions and Notices.

  15. Install the inboard retaining screw.
  16. Tighten
    Tighten the screw to 1.2 N·m (10 lb in).


    Object Number: 672363  Size: SH
  17. With the sunshade parallel to the windshield, index the pivot arm tab to the roof panel slot.

  18. Object Number: 672372  Size: SH
  19. Apply and maintain upward pressure to the pivot arm while rotating the sunshade parallel to the side window. The sunshade arm should appear flush with the bezel.
  20. Rotate and clip the sunshade to the inboard retainer.
  21. Ensure the pivot arm retaining tabs are fully seated to the roof panel.
  22. Install the front assist handle to the roof panel. Refer to Assist Handle Replacement.
  23. Install the windshield garnish molding. Refer to Garnish Molding Replacement - Windshield Pillar.
  24. Install the center pillar trim panel. Refer to Garnish Molding Replacement - Center Pillar.
  25. Return the bucket seat to an upright position.