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Heat with aircon off

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  • #1

    Heat with aircon off

    No luck with search. Golf Gti 2007 petrol (BWA)
    Is anyone having heat (lots of) coming from their air vents, with the air con turned off.
    The air con works fine, when required, but heat is coming from the vents when driving without the aircon ever being used.
    I have a similar problem with the Passat ( never got a reason why).
    Summer or winter we have free annoying HEAT,( not really free).
    I feel the dealers will fob me off, just as before.
    Any advice would be most welcome.
    Thank you in advance
    John
    Tags: None
  • #2
    John,

    What's the temperature on your climate control set to?
    June 2008 GTSport TDi | Tornado Red | DSG | iPod + Bluetooth + Parking Sensors

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    • #3
      I get this sometimes in my Jetta... but i've always assumed it was heat from the engine bay and another way/technique to draw heat from the engine...
      BLACK 2.0 FSI Jetta -
      Transforms - http://www.youtube.com/watch?v=SgjFFxjkZlQ

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      • #4
        My Mk4 does this too.
        I believe it is due to a failed actuator which closes an air vent when the unit is off. Engine coolant always runs through the heater core, but normally the the flap is closed and no air passes through this area and into the cabin.
        It is most annoying and best solved by closing the vents on the dash your self.
        Getting to the failed actuator looks like a lot of work to me.
        MK4 GTI - Sold
        MK5 Jetta Turbo - Sold
        MK5 Jetta 2.Slow - Until it dies.

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        • #5
          I get the same thing . what I do fix this is I turn the aircon on, set it to cold and let it blast some cold air out for 5 seconds then turn it off. Problem goes away after that.
          2007 Black Magic VW Golf GT TDi, Latte Leather, Sunroof, Bluefin Superchip, 18" Detroits, APR lower torque arm insert, APR Carbon Fibre Cold Air Intake system, GTi sideskirts & front lip, R32 Rear Bar, GTi Steering wheel, RNS-510,Infinity BassLink Subwoofer,stubby antenna, R8 Oil Cap, Golf R front calipers, slotted front rotors, ceramic brake pads, LITEC LED tail-lights, Dension Gateway Five, Rear Emblem Reverse Camera, H&R Ultralow coil-overs, Badge-less front grille

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          • #6
            Bingo -JustCrusin
            That was a similar answer that I had received from a USA site a number of years ago. The repair will require a lot of work, hence the bloody reluctance from the dealers to explain when I questioned them about the Passat.
            Now how to fix the problem as the HEAT is on the verge of oppressive.
            I am still under warranty, fingers crossed.
            Thank you for all the replies, much appreciated.
            Regards John

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            • #7
              I have the same thing with my Jetta,but dealership told me it is quite normal.
              Even if I put normal air on,not the aircon,it gets cooler air coming into the cabin.
              Apparently a lot of people complain about this,so you are certainly not alone...

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