what causes very hot air to blow out from under the dash on 2000 Volkswagen Beetle

the car blows hot air from under the dash all of the time. it does not matter if I have the air recycle on the air conditioner unit on or off. The longer i go the hotter it gets. When I park it in the garage it gets so hot i am afraid of spontaneous combustion. i often have raise the hood to cool it off.

by in Winter Springs, FL on May 03, 2010
2 answers 1 comment
ANSWER by on May 03, 2010
It sounds like the heater control valve is not functioning correctly if you get hot air coming out the cooling ducts on the dash no mater what position the heat/cold switch is in. The engine will generate a lot of heat when it is running, it is a normal part of operation of an internal combustion engine.
COMMENT by on September 29, 2010
My truck does the same, how do I fix this on my own? Karla
ANSWER by on May 04, 2010
Not sure about vw's but gm cars do that all the time, its a fresh air feature should cool a little by turning the temp control to cool but will always blow air even if heat and ac are turned off

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