GM Service Manual Online
For 1990-2009 cars only

    Object Number: 95574  Size: SH
  1. Apply soapy water to the outside of the vehicle in the suspected leak area.
  2. Blow air from inside the vehicle. The air pressure should not exceed 205 kPa (29.7 psi).
  3. Determine the location of the leaks from the bubbles formed in the soapy water.