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Thread: Cold air only out of blowers why

  1. #1
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    Cold air only out of blowers why

    My n reg s14 has no hot air and it's cold lol
    The car has the climate control unit , air con pipes have been removed
    Climate control unit work all different positions fan speed cold air etc
    Why no hot air had a look under dash everything seems to be plugged in etc
    Someone shed some light for me

  2. #2
    Guest m44t-xx's Avatar
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    Have to checked there is no air in the coolant system? Will be worth bleeding it just in case.

  3. #3
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    Will give that ago any other things it could be ?


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  4. #4
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    Definitely just the aircon that's been removed and not the heater matrix too? Easy to check, at the bulkhead towards the passenger side there should be 2 hoses going into the cabin, one above the other.
    Assuming it's still there it could be blocked. Heaters blowing cold can be a sign that the head gasket has failed, that's worst case scenario.

  5. #5
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    Defo don't think it's head gasket tbh but yer just ac pipes removed at weekend think I'm gunna take all pipes off etc bleed the system nd see what happens


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  6. #6
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    Found out what it is ! Little unit down in drivers foot well next to clutch pedal wasn't connected or anything just got to figure out how it's suppose to sit and work now


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