GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1964004  Size: SH

    Notice: The air hose test should only be used on fully cured urethane adhesive. Otherwise, damage to the urethane adhesive bead could result in additional leaks.

    Important: Use a liquid detergent, diluted with water in a spray bottle. Begin at the bottom and gradually move up and across the top.

  1. Spray the window at the edges.
  2. Important: The compressed air should not exceed 205 kPa (30 psi).

  3. Have an assistant inside of the vehicle with an air hose.
  4. Important: Bubbles will form in the soap solution at the location of the leak.

  5. Have the assistant aim the compressed air at the suspected areas.