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

 

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Visitor, 2.0L 4 Cylinder, Winter Springs, FL, May 03, 2010, 22:39

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.

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    patrick mannion from Greg Solow's Engine Room, May 03, 2010, 22:50
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    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.

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    Visitor, September 29, 2010, 12:34

    My truck does the same, how do I fix this on my own?
    Karla

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  • Answer #2

    Visitor, May 04, 2010, 11:40

    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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