For 1990-2009 cars only
- Depending on where the leak is located, you may have to remove the trim molding or headliner in order to repair the leak.
- In order to repair a leak when removal of the molding or headliner is necessary, perform the following steps:
- Cut out a portion of the adhesive in the leak area from inside or outside the vehicle.
- Clean and remove all loose particles from the area.
- Caulk in adhesive between the window and the pinchweld flange where the old adhesive has been cut away.
- Feather the old adhesive out several inches to cover each side of the leak area.
- Use urethane adhesive from GM P/N 12346284 or equivalent.
- Mist the newly applied adhesive with water in order to cure the adhesive.
- Test the vehicle for leaks.
- Install the molding.
- Allow the adhesive to dry for several hours.
- Test for water leaks.
