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Thread: 2010 C6 Intermittent heater blower issue

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  1. 2010 C6 Intermittent heater blower issue 
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    Any advice is greatly appreciated and I'm a complete novice!

    My wife's car has an issue with the heater fan, one minute it works fine, the next it doesn't! There is power to the unit, it's all lit up and everything is working on the display, just now and again, the fan stops working.

    Sometimes it can be corrected by turning the engine off and back on again, but yesterday even that didn't work. But after approximately five minutes, it started blowing again.

    Instead of just setting a temperature, she's always messing about with fan speeds and blower direction.. turning the unit off and then turning it back on again, ti drive me nuts! I have told her and told her but she wont listen!

    I was wondering if it may be a safety feature where the fans cut out if it gets too hot?

    Any help or point in the right direction will be greatly appreciated!
     
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  2. Re: 2010 C6 Intermittent heater blower issue 
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    The most likely reason is the blower motor has worn brushes and the springs are bouncing.

    A new new blower motor is needed.

    Do a scan before spending money on a motor in case you have controller faults.
    Dan
    2009/2010 2.0 TDIe SE
     
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  3. Re: 2010 C6 Intermittent heater blower issue 
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    your wife as well mines the same " why is that blowing out so much air? - ahh cause it is trying to match the temp you set...." not interested anyway.

    the wifes old vectra did this - does the blower work full tilt when it happens? there was a resistor block with thermal fuse which had blown - it was about 50 or 60 quid but I just got the thermal fuse from RS couple of quid.

    as Dan has said run a scan see what comes back...
    Stewart
    2007 A6 quattro 3.0 TDI Manual
    1986 coupe quattro (kv) square wheels.
    1972 mini 1400 100BHP A series
     
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  4. Re: 2010 C6 Intermittent heater blower issue 
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    Quote Originally Posted by swwalker View Post
    your wife as well mines the same " why is that blowing out so much air? - ahh cause it is trying to match the temp you set...." not interested anyway.

    the wifes old vectra did this - does the blower work full tilt when it happens? there was a resistor block with thermal fuse which had blown - it was about 50 or 60 quid but I just got the thermal fuse from RS couple of quid.

    as Dan has said run a scan see what comes back...

    The A6 does not have a resistor block as such it has an electronic speed control module.
    Dan
    2009/2010 2.0 TDIe SE
     
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