GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

    • J 24402-A Cold Knife Glass Sealant Remover
    • J 36863 Stationary Glass Removal Tool

Caution: If broken glass falls into the defroster outlets, it can be blown into the passenger compartment and cause personal injury.

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.

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.

Caution: At least 24 hours are required for complete curing of repair material. The repair area should not be physically distrubed until after that time. Insufficient curing of urethane adhesive may allow unrestrained occupants to be ejected from the vehicle resulting in personal injury.

Important: 

   • Use the extended installation method for the following reasons:
      - After the windshield removal, if the urethane adhesive material in the windshield opening is damaged
      - If the adhesive must be removed in order to permit refinishing of the windshield opening
   • Using a sharp scraper or chisel, remove the old urethane adhesive material from the windshield opening. Remove any mounds or loose pieces. Complete adhesive material removal is not necessary.
   • When the damaged sheet metal needs replacing or the opening needs repainting, use the primer surface only for the bonding area. DO NOT use an aftermarket top-coated (paint, or color coated) surface for the bonding area. Use the following materials for this application:
      - BASF DE17
      - DUPONT 2610
      - PPG DP40
      - An equivalent
   • Apply Pinch-Weld Primer (Black Number 3) from GM KIT P/N 12346284 to any exposed painted surface in the windshield opening.
   • DO NOT use Window Primer (Black Number 2) for pinch-weld applications.
   • Window Prep Primer (Clear Number 1) etches the window. Apply Window Prep Primer (Clear Number 1) only to the blacked-out area of windows.
   • In order to avoid possible window blowout of newly replaced stationary windows, open 1 door window at least 75 mm (3 in) in order to allow the air pressure to escape, for a time period of 24 hours.
   • DO NOT apply Pinch-Weld Primer (Black Number 3) over the existing urethane adhesive bead surface.
   • Ensure that the vehicle remains at a normal room temperature of 22°C (72°F) and 30% humidity for 6 hours in order to properly cure the adhesive.


    Object Number: 71179  Size: SH
  1. Mask off the area around the rear window in order to protect the painted surfaces and the headliner. Masking aids in cleanup after installation.
  2. Remove the rear window reveal molding. Pry loose at the seam and pull free.

  3. Object Number: 330789  Size: SH
  4. Disconnect the rear window defogger electrical connector, if equipped.
  5. Use a razor or utility knife in order to cut around the perimeter of the rear window. Cut as close to the edge of the rear window as possible.
  6. Cut out the rear window. Cut as close to the edge of the rear window as possible using the J 24402-A .
  7. Use J 36863 in order to cut urethane from the inside of the vehicle.
  8. With the aid of an assistant, use suction cups in order to lift the rear window from the opening.

  9. Object Number: 330799  Size: SH
  10. Remove the rear window from the vehicle.
  11. Clean the rear window opening of any loose material. If the rear window is to be reinstalled, remove all urethane adhesive from the rear window.
  12. Clean the surface of the rear window to which the urethane adhesive will be applied (around the edge of inside surface) using a clean, alcohol-dampened cloth. Allow the surface to air dry.

Installation Procedure


    Object Number: 245283  Size: SH
  1. Position (dry fit) the rear window in the opening. Apply a piece of masking tape over the edge of the rear window and the adjacent body panels.
  2. Slit the tape vertically at the edge of the rear window. During installation, align the tape on the rear window with the tape on the body in order to guide the rear window into the desired position.
  3. Remove the rear window from the opening.
  4. Place the window inside upon a clean, protected surface.
  5. Shake the primers vigorously that are provided in the urethane adhesive kit GM P/N 12346284 or equivalent.

  6. Object Number: 245290  Size: SH
  7. Apply Glass Prep Primer (1) (Clear Number 1) on the window prior to the Glass Primer (Black Number 2). The Glass Prep Primer (Clear Number 1) does not require any drying time.
  8. Apply the Glass Prep Primer (Black Number 2) around the entire perimeter of the window edge and 6 mm (1/4 in) inboard on the inner surface. Allow the Glass Prep Primer (Black Number 2) to dry for 6-10 minutes.
  9. Apply the Pinch-Weld Primer (2) (Black Number 3) to the pinch-weld area. Allow the primer to dry for 10 minutes.

  10. Object Number: 245315  Size: SH
  11. Apply a smooth continuous bead of urethane adhesive (1) around the edge of the rear window (3) where the primer was previously applied.
  12. With the aid of an assistant, use suction cups in order to lift the rear window into the opening.
  13. With the rear window centered in the opening, use the previously-applied tape guides in order to place the rear window in the proper position.
  14. Press the rear window firmly in order to wet-out and seat the urethane adhesive.
  15. • Using a small disposable brush or flat-bladed tool, paddle the material around the edge of the rear window in order to ensure a watertight seal.
    • If necessary, paddle additional material in order to fill any voids in the seal.
    • Do not cause an appearance problem by creating excessive squeeze-out.

    Object Number: 330793  Size: SH
  16. Install the rear window reveal molding.
  17. Apply tape to the rear window and the roof until the urethane adhesive cures.
  18. Watertest the vehicle immediately using a soft spray.
  19. • Use warm or hot water if available.
    • Do not direct a hard stream of water at the fresh urethane adhesive material.
    • If any leaks are found, paddle in extra urethane adhesive at the leak point using a small disposable brush or flat-bladed tool.
    • Water applied on top of the urethane adhesive, either during a watertest or as a separate operation, will hasten the cure of the urethane adhesive.

    Object Number: 330789  Size: SH
  20. Connect the rear window defogger electrical connector, if equipped.

  21. Object Number: 330793  Size: SH
  22. Remove the protective tape from around the rear window.
  23. Clean the excess urethane adhesive from the surface of the rear window using a clean, alcohol-dampened cloth.
  24. Allow the rear window to air dry.