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D3 - Engine Bay Everything under the bonnet

 
 
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Old 28th February 2014, 07:38 PM
MAM MAM is offline
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Join Date: Jan 2012
Location: Scarborough, North Yorkshire
Posts: 217
Default Buzzing from engine bay

My car has developed a buzzing over the last couple of days. I could hear it from the cabin but, but when I opened the bonnet, the sound was much louder.

I have found the location, but I have no idea what the part is.

I have a 4.2 Petrol non-FSI engine. The part is under the rear engine cover and is like a disk that has a pipe up to it, and a pipe coming out of the side. The noise is like a high-pitched vibration. If I hold the part I can stop the sound - but what is this part?

edit - If my explanation is not good enough, here is an image
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Last edited by MAM; 28th February 2014 at 07:49 PM.
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