Hi,

I have a 2000 TT Quatro 1.8T and my heater blower is working fine but the air coming out keeps adjusting up and down on flow when set to the central vents. Does anyone have any idea what the problem is?

Thanks,
Mark

 

Set in auto mode?

 

The problem happens when set to auto, what you can hear is a small motor keep adjusting the vent flow behind the radio or somewhere close. If I set manual mode and select lower feet and windshield it stops but if I select the middle vents in manual or auto mode it keeps adjusting the flow.

The recycle mode works fine also, everything works except this. Someone mentioned it could be a pressure switch but I am not sure about that.

Thanks,
Mark