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Climate control playing up

Discussion in 'Audi S4/A4/A4 Cab (B7 Chassis)' started by danotto, Feb 2, 2010.

  1. danotto
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    danotto VAG HUNTER

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    Right my 55reg 2.0tdi a4 is playing up,until today the dual climate control was working fine,but now the drivers side is only blowing cold air,no matter what temp i set the temp to.But the passenger side is fine,could this be a fault with one of the electric thermostat valves(if they have them on these).any help would be great cheers Dan
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  2. pin
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    pin New Member

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    It may not be this but I've had completely odd things happen when one of the vent controls has been moved by someone.

    Was a while ago but basically the summary is if all the vent controls are not completely open, it may not do what you expect. I was just about to take it into a stealer for diag and then noticed whichever side it was, the roller-whasname wasn't completely open. Moved it a frac and all was well. I never did check but presumably they have switch/microswitch to signal open to the ECU??

    As I say, may not be that, but mine was refusing to blow cold air until I moved it.
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  3. Phil MC
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    Phil MC SerialAudiOffender

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    HI Danotto, did you ever sort out what was causing this problem with your driver's side heat not heating up? Mine is doing exactly the same thing??

    Cheers,

    Phil
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  4. danotto
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    danotto VAG HUNTER

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    hi i never got round to it i believe its the little mechanical motor by left of the foot pedals.but not sure will have to get it sorted before winter though
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