GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • Urethane Adhesive Kit GM P/N 12346392 or Equivalent
    • Isopropyl Alcohol or Equivalent
    • Cartridge-type Caulking Gun
    • Plastic Paddle

Removal Procedure

  1. Remove both right and left sides of the reveal molding. Refer to Windshield Side Reveal Molding Replacement .

  2. Object Number: 301108  Size: SH

    Caution: When working with any type of glass or sheet metal with exposed or rough edges, wear approved safety glasses and gloves in order to reduce the chance of personal injury.

    Important: The windshield reveal molding fills the cavities between the body and windshield. If the reveal molding is stretched or damaged it and cannot be reused it must be replaced.

  3. Remove the upper windshield reveal molding.
  4. 2.1. Use a flat-bladed tool in order to carefully pry the end of the upper reveal molding out about 76 mm (3 in).
    2.2. Grasp the corner of the windshield reveal molding by hand or use a suitable tool to slowly pull the reveal molding away from the windshield.
    2.3. If the windshield reveal molding will not release, use a utility knife to aid in the releasing of the molding.

Installation Procedure

  1. Clean the top edge of the windshield surface with a 50/50 mixture of isopropyl alcohol and water by volume on a dampened lint - free cloth.
  2. The new reveal molding should be fitted to the windshield prior to installation.
  3. Caution: When replacing stationary windows, use Urethane Adhesive Kit GM P/N 12346392 (Canadian P/N 10952983), or a urethane adhesive system meeting GM Specification GM3651G, to maintain original installation integrity. Failure to use the urethane adhesive kit will result in poor retention of the window which may allow unrestrained occupants to be ejected from the vehicle resulting in personal injury.

  4. Verify all primers and urethane adhesive are within expiration dates.

  5. Object Number: 739026  Size: SH

    Important: Use care when applying the prep (clear #1) to the windshield. This primer dries almost instantly, and may stain the viewing area of the windshield if not applied evenly.

  6. Use a new dauber in order to apply glass prep (clear #1) to the channel area approximately 13 mm (1/2 in) to the upper edge of the windshield.
  7. Wipe the glass primed area immediately with a clean lint-free cloth.
  8. Shake the glass primer (black #2) for at least one minute.
  9. Using a new dauber in order to apply glass primer (black #2) to the top edge of the windshield.


    Object Number: 245294  Size: SH
  10. Apply a small bead of urethane adhesive (2) between the windshield (1) and the pinchweld.

  11. Object Number: 301108  Size: SH
  12. Install the upper reveal molding.
  13. 8.1. Start from the center and hand-press the reveal molding into place over the edge of the windshield.
    8.2. Install both right and left sides of the reveal molding. Refer to Windshield Side Reveal Molding Replacement .
    8.3. Run warm water over the reveal molding in order to speed the setup time of the urethane adhesive.

    Tape should be applied in order to retain the reveal molding to the windshield, this will maintain a flush fit with the body.

    The tape is to be removed after 6 hours.