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  1. Question Polo heater problem 
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    I wonder if anyone could help with a problem to the heater on my 2003 (52) Polo 1.2S.

    Basically it stays on at full heat in the off position & even when the ac is activated, ok its great when its cold but its like a sauna at the moment with this warm winter that we are experiencing.

    Any suggestions would be appreciated.
     
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  2. #2
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    So tempted to say open a window. Sorry not very helpful.
    We have a van at work and the rotary heater knob is split where it connects so it rotates around but not actually turning the shaft. If you can pull the rotary knob off have a look at the back of it.
    Hope this helps
    Regards Boardboy.
     
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  3. #3
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    I had a problem with the Climatic in my car where the temperature dial just didn't seem to work and the car blew out roasting hot air when set to cold. I took it back to the dealer as it was covered by the warranty and they said the problem was with the flat motors (?). Hope this may be of some use to you :-)
     
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  4. Polo Heater Problem 
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    I have a 2003 1.4 Sport on a 52 plate and I have exactly the same problem, driving along when the heater just suddenly goes onto Max heat. Pressing the Aircon has no affect, the only way I have found of stopping it is to stop the car turn off the ignition for a few mins and then try again. My car is now out of warranty however I had it into the VW dealer 3 times for this fault and everytime they said there was nothing wrong with it Looks like it maybe a fault, anyone know if there are any Technical notices on this or recalls?
     
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  5. #5
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    I too have the same problem (2003 1.4 16v sport Polo).
    I started a thread here: http://www.vwaudiforum.co.uk/forum/s...7872#post17872

    and RAMA and eshrules suggested that the heater valve may be blocked.

    Of course, no idea where that may be located.

    I would loved to know if others are experiencing a similar problem what what they did about it.
     
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  6. Re: Polo heater problem 
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    I got exactly the same problem on my 2003 1.2 Polo! Its going into the dealers for a third time and another £47 to have them look at it and find nothing. Will post their findings on Saturday.
     
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  7. Re: Polo heater problem 
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    Si-W, I just posted this

    I too have this problem. This is a common problem with Polo's

    see http://www.vwaudiforum.co.uk/forum//...ead.php?t=3343

    I have posted here and other forums before but no one is expert enough to be able to conclusively say what a simple fix is.

    The fix seems to be quite complex.
    Basically, there are tow motorised flaps in the heater control. One that controls the temperature and one that controls the fresh air intake. Both these motors are pretty unreliable and tend to get jammed intermitenly. I have checked this on my car with VAG-COM diagnostics cable connected to my laptop and get the following fault codes:

    01271 - Positioning Motor for Temperature Flap (V68)
    30-10 - Open or Short to B+ - Intermittent
    01596 - Motor for Outside/Recirculated Air Flap (V154)
    30-00 - Open or Short to B+

    The fix is to replace these motors (V68 and V154). They are not cheap but the real problem is getting to them. To do it properly, the whole dashboad has to be removed to get to the heater mechanism. Which requires removing the steering wheel (which requires removing the battery lead which disables the airbags).

    VW *********** quoted me £390 + vat for parts and labour !!

    I have learned to live with the problem by trying one of these workarounds:

    1. turn temp dial to coldest and close the central airvents for 1 minute or two while the vent dial is set to DEMIST. Then open the central vent fans -- that then lowers teh temp to the coldest.
    or
    2. turnthe fan speed to ZERO for a minute or two and then to 1. That will then reset the temp to the coldest.

    Try that to see if it works for you.
    If you have taken it to the *********** 3 times and each time they have not found a fault -- then they are truly ripping you off and I would be
    They have clever diagnostic kits. The first thing they do (or should do) after you have sent your car in is to scan for fault codes logged by the various electronics modules jotted around in the car. That's what you are paying the £47 for (partly) and partly for the "expert" knowledge of what to do about it.

    When you took it in the last 3 times with the same problem, had they done a scan, they they would have seen fault codes similar to the ones I got above. They know it's quite complex to fix and probably could not be bothered with it (even if it meant a lot of money for them or thought it was too costly for you).

    Tell them you know that this is a common problem with VW's and that you know of the two motors and want to see the diag reports to confirm. Then you can decide if you want to spend the money fixing it.
     
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  8. Re: Polo heater problem 
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    Many thanks for your reply vwpolo. The dealership this time found the fault like you said the two motors, but the quoted me £447.50 to do the job. Truly is a ***********. I thought about it for all of a second and told them no way. That sort of money buys a very warm coat lol.
    I will try your workaround and go from there. I looked on the VW Elsa electronic manual and even though I used to be a mechanic I didn't fancy all the hassle of ripping the dash out to get to the two motors. Temp flap motor P/N 6Q0 907 511 and Recirc Motor P/N 6Q2 919 453A.
     
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  9. Smile Re: Polo heater problem 
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    I recently bought a 52 reg Polo 1.4 SE (with ac) and have had similar heater problems as described above.

    The fix of selecting full cold and then selecting fan off for 30secs works very well and I seem to have discovered that the valve doesn’t seem to be sticking – it’s just that the temperature range that the system is controlling to is different from the temperatures displayed on the dial...... I’ll try and explain….

    Once I've got cold air blowing (i.e. the valve has reset) then the Climatic system will actively control the cabin temperature (delivery air can be felt to cycle between warm and cool to maintain the cabin temp), however if the temperature dial is set to anything more than an indicated 18°C, then the system only outputs hot air, i.e. it is trying to maintain an uncomfortably hot cabin temperature! Therefore, if small rotary movements of the temperature control are used, keeping at or below an indicated 18°C, then the system works well!!!

    Hope this helps you other peoples out, because I was getting a little annoyed by being cooked every time I got into the car!!!... now I can drive in comfort!!!
     
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  10. Re: Polo heater problem 
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    ian2010, I'll try that workaround.

    The other thing I noticed recently was that if the temp gets way too hot and I turn the dial down to the coldest setting, nothing happens...no news there
    But at this stage, if I press the Circulate button, it briefly lights up and goes off and after about 30 seconds or so, the temp does drop. It's as if the Circulate button nugdes the flaps into doing something.
     
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