20th November 2020, 09:12 PM
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Senior Member
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Join Date: Jun 2013
Location: Londonderry, Northern Ireland
Posts: 2,981
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Check out the following two videos that might help. The first is a method of checking the various pulleys and tensioners to see if the noise is coming from them. Needless to say, once you've watched the video, if you attempt it, please be very careful.
https://www.youtube.com/watch?v=QyZWhz7uvDE
The second video I came across sounds similar to yours and may be worth checking out, although the location of the alternator may make it difficult to do what's shown in the video:
https://www.youtube.com/watch?v=hmPUUVwIJUU
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2001 A8 D2 FL 3.7 Q - LPG Conversion, Engine: AKC, Gearbox:FBB, Colour:LY5X Aqua Blue pearl effect, Interior:WJ light beige/dark beige valcona leather with burr walnut inserts
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