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Interior fan blowers not working!!!!!

Shaun Frazier Aug 11, 2012

  1. Shaun Frazier

    Shaun Frazier Registered User

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    Hey guys,

    Just noticed my interior blowers aren't working at all, the actual air con fascia is working and everything, just the fans don't work,

    What could this be?

    Thanks

    Shaun
     
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  3. mike foster

    mike foster Fossie VCDS Map User

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    Get it scanned with VCDS. That will tell you the problem
     
  4. MrLapou

    MrLapou Registered User

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    Could be blown fuse.
    Loose connector by fan or motor's gone kaputt
     
  5. Geraldy212

    Geraldy212 Sportback owner

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    Shaun, check the fuse FB40 in the passenger fusebox. Should be 40 Amps.
     
  6. mike foster

    mike foster Fossie VCDS Map User

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    That's driver side fusebox in RHD vehicles !! lol
     
  7. Geraldy212

    Geraldy212 Sportback owner

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    Oh oh oh.....silly me. :asskicking:
     
  8. Shaun Frazier

    Shaun Frazier Registered User

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    Its not the fuse. It seams fine.

    What else could it be? It's driving me insane. Cheers
     
  9. runnernorth

    runnernorth Registered User

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    Hi there, I've had the same problem, in my case it was the connector to the blower module, I just disconnected it and connected it again, and then it worked, strange.....
    You have to disassembley the "box/room/"in the passengers site, I don't know what it is called in english:), then you'll be able to check the connector to the module, and the connector from the module to the blower as well. Try turn the blower wheel, and see if there's any objects in there that shouldn't be in there.
    Hope you understand me, as I'm not THAT good at English ;)
     
  10. Turbo jay

    Turbo jay Leather repair specialist

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    I agree
     
  11. Chris4p

    Chris4p Registered User

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    Looked for this today, there is no FB40 fuse on the whole panel?
     
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  13. 06SilverA3

    06SilverA3 Registered User

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    I have the same/similar issue with my '06 A3 8p. However, with mine the blower stops (dead air) for no reason, and then later comes back on. Wehn that happens the climate control fan speed won't respond, showing the first tiny bar on the fan speed scale. Pressing "+" to increase speed does nothing. Pressing "-" to reduce fan speed turns off the climate panel. Other buttons seem to work, but it doesn't make the fan come on, whether I have it on Auto, Econ, Vents or any combo - still no airflow. I've read about fixing/replacing the blower and module, but most talk in terms of their climate controls still working, i.e., cranking up fan speed, the display showing a faster speed, just nothing happening at the fan. Mine doesn't do anything on the fan speed display when cranking up fan speed.

    I'm wondering if the fan control module provides feedback and therefore the speed display is actual speed, meaning if the fan is stuck (maybe debris in there) the display won't show the higher speed requested?

    Any advice/suggestions are very welcome before I start tearing my dash apart.
     
  14. S.

    S. Save the manuals

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    Stuck blower will still let you change parameters on aircon but it won't blow any air inside. It might be connector/module. It could be airon controller unit.
    Best would be to check it with vcds.
    If you want to, it's quite easy to check if the blower is stuck, 6-7 7mm bolts (if i remember correctly) and few connectors to undo to take the glovebox off.
    There are few how to videos online.
     
  15. 06SilverA3

    06SilverA3 Registered User

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    I took out the glovebox and the fan, inspected it and found a large winged seed, like a sycamore seed, in the impeller. I cleaned it out, lubed the motor, and put it back together. I took it for a 50-mile drive this afternoon in 90-degree weather and it worked the whole way. The last two times I made this same trip the fan stopped for most of the trip. The problem with my issue, about checking if the fan is stuck, is that it's intermittent, so unless I get home while it's still not working, there's nothing to check.

    I'm hoping the seed was doing a stick-in-the-spokes thing and that was the root cause of my issue, but I guess time will tell. If it happens again I'll dig deeper with VCDS.

    Thanks for the assistance - very much appreciated.
     
    S. likes this.

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