Soap Suds or Bubble Test

Soap Suds or Bubble Test

1. Cover the pressure relief valve.
2. Turn the vehicle ventilation fan to HIGH.
3. Close all of the windows and doors.
4. Apply a soapy solution to all potential leak areas.
5. Look for bubbles that reveal escaping air.
6. Consider the following procedure as an alternative to pressurizing the vehicle interior:

1. Use an air compressor air hose.
2. Do not exceed 207 kPa (30 psi).