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Speaker "popping noise" from front

Discussion in 'A3/S3/Sportback (8P Chassis)' started by Ultravox, Aug 19, 2011.

  1. Ultravox

    Ultravox New Member

    Jan 27, 2011
    Likes Received:
    I hope someone can help me! (My car is a A3 TDI 2.0 R4 on a 54 plate)

    I recently had a strange smell comming from my air con. So I took out the pollen filter and used a foaming air-con cleaner to clean out all the vents etc.
    Then of course I replaced the pollen filter and put it all back to how it was.
    Since then I have heard a strange popping noise from the front....on further inspection I got even more confused because I could hear this even with the head unit switched off!!
    So I took out the head unit and pulled the plug on the front speakers which has eliminated the "popping noise".
    All I can think of is when cleaning the vents either side of the centre speaker I have damaged or disturbed some wiring....
    If anyone can shed some light on this any help would be appreciated.
    I presume (considering the front speaker plug on the stereo has four wires (front left & front right) that the wiring is split somewhere else to go to the front tweaters & centre speaker? and do they go to a seperate amp for the front?
    The next thing I am going to try is to disconnect each speaker in turn to try to find out which one...but i'm unsure if its a speaker or some wiring that has been disturbed near the blower motor.
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  3. NHN

    NHN Retrofitter - Audi - VW - Skoda - Seat
    Site Sponsor VCDS Map User

    Jan 14, 2008
    Likes Received:
    TBH iirc audi use an air system that neutralises the bacteria that causes the smelly aircon, may either be a coincidence or you have got some connections wet, I'd wait a few more days see if it goes away, as may need to dry out or do as you say remove speakers to trace it through.

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