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Weird noise!

Old May 13, 2009 | 11:30 PM
  #1  
hearmespool's Avatar
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Default Weird noise!

The Car - '04 Audi A4 1.8 k04, Carbonio intake... and other james bond type stuff;-)

The Problem - Im getting a soft "hummmmmmm" under 20mph occationally. It doesnt happen all the time though, it seems to be coming from drivers side engine bay. Could it be line/filter running to boost gauge? I replaced the lines going from the t to the filter and to the filter to the gauge... still making noise. And I cant seem to make the noise happen at the dealer.. !!!! Seems also to be making it a bit more when the car is more on the warmer side.

What can it be guys...
 
Old May 16, 2009 | 06:09 AM
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more details on when it happens?
could be your vacuum supply pump next to your ABS module
 
Old May 18, 2009 | 12:09 PM
  #3  
hearmespool's Avatar
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Originally Posted by turbonetics
more details on when it happens?
could be your vacuum supply pump next to your ABS module
Not sure of any more "details"... I mean... it happens under 20MPH and when the car has been driven and is warm/hot. It doesnt happen on any paticular gear or what not... just when driven under 20. any feedback would be awesome. thanks guys
 
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