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heater blowing cold air please help!

dannyoct16 Dec 21, 2004

  1. dannyoct16

    dannyoct16 New Member

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    my 98 A6 only blows warm air when im driving. when im at a stop light it starts blowing cold air again. i live in cleveland,ohio and ots been cold. ill warm up the car for 15 minutes and get in to a cooler!! ill start driving and the heat kicks in. has this happened to anyone or does anyone know what the deal is?
    thanks,
    danny /ubbthreads/images/graemlins/cry.gif
     
  2. audi5e

    audi5e Member

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    sounds like the water/coolant is not circulating properly.
    when last was the coolant system flushed?
    check the level too.
    may also be a pump on it's way out?
    some models have a valve in the inlet pipe to the heater matrix, make sure this is opening/functioning properly.
     
  3. dannyoct16

    dannyoct16 New Member

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    thanks..ill check it out!
     
  4. snates

    snates New Member

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    Weak waterpump or poor circulation through the heater core
     

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