[fatoni]

Originally Posted by ahausheer

The vents and sound induction tube are completely separate systems, it is a physical impossibility. Second, the sound induction tube is closed at one end (the end in the engine bay). the sound tube is connected to a rubber diaphragm that is fully sealed and allows no air to pass through it.

Someone should look and see if the blower behind the dash is operating with the fan knob in the off position or if the temp control is not fully activating or opening/closing a valve deep in the dash.

i know your tricks dewey!