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Why wont your heater work for a 2002 vw passat v6 36 valve the ac works but no heat?
Wiki User
∙ 14y ago
It could be a few different problems: the first being that you have an air bubble, the second being that the system needs to be flushed or third that your heater core is bad. To test this start the car and turn the heater off. Then run the car until it is at normal running temperature. Once you have done this turn on the defroster on high if the temperature is hot at first and then cool then you need to do one of the above fixes. Start with the easy one and move to the more difficult/expensive one. Good luck.
Wiki User
∙ 14y ago
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