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Buzzing/Fan noise

Discussion in 'Audi S4/A4/A4 Cab (B7 Chassis)' started by J0N35Y, May 31, 2012.

  1. J0N35Y
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    J0N35Y Member

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    Bear with me everyone. Just noticed that with the ignition on I get a sort of buzzing whirring noise from the heater control panel. Seems to quieten down if I put my hand over the grill in the middle of the panel. Anybody have any ideas?? It has dual climate. TIA
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  2. Jeffseye
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    Jeffseye New Member

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    I had my radio out today fitting a iPod lead when i put it back in a noticed a buzzing ask a friend he says there is a small fan inside it behind the small grill probably full of dust etc I blew into the grill a few times and it seemed to be quiet now
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