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In cabin fan power increases under acceleration/turbo spooling

Bobass Jul 30, 2010

  1. Bobass

    Bobass New Member

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    Really odd one this, but recently had a new cylinder head and head gasket fitted, and since I've had it back from the garage, when accelerating/when the turbo spools up, the air flow increases out of the cabin vents - like someone has turned the fan up...only for it to slow down again when required mph reached/turbo remains steady.

    Anyone got an idea what's happening here?
     
  2. s3dave

    s3dave TFSI Hybrid Supporter

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    it sounds like it could be an alternator issue check the voltage when the car is idle
     
  3. reptor245

    reptor245 Active Member

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    Does the air come out of the vents more and not actualy the Climate control thats getting faster? mine was changing all the time when going over bumps, accelerating, randomly. Turns out it was a faulty unit so i replaced it :)
     
  4. Matt82

    Matt82 Active Member

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    maybe someone did the "a/c into the airbox" trick mod?
     
  5. Bobass

    Bobass New Member

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    Alternator struck me as a potential source.

    @Matt82 -- Just guaging how serious your comment is! Is this something a not so handy mechanic might have mistakenly done? Or is it a serious mod? ....cue my embarassment here!

    It is just the air coming out the vents, not the climate control unit misbehaving
     
  6. Dazboss

    Dazboss Like A Thristy Dingo ;)

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    Like it Matt :)
     
  7. s3dave

    s3dave TFSI Hybrid Supporter

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    but your lights on against a wall at night and rev if they go brighter you know its alternator/battery issues
     

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