Operation CHARM: Car repair manuals for everyone.

Interior Windnoise



Interior Windnoise

Interior windnoise is not heard when the window is lowered. Interior windnoise is caused by the air leaving the inside of the vehicle through a seal or a seam.

1. Tape over the relief valves in order to cause added air pressure within the vehicle.
2. Test drive the vehicle. Listen for windnoise or a whistle.
3. Pull the vehicle over. Make the temporary repairs using masking tape. If you cannot determine the source of the windnoise, perform 1 or more of the following diagnostic tests:

* Tracing Powder or Chalk Test Tracing Powder or Chalk Test
* Air Pressure Test Air Pressure Test
* Soap Suds or Bubble Test Soap Suds or Bubble Test