Thread: fluttering noise from rear left
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David G David G is offline
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Join Date: Dec 2001
Location: Providence, RI
Posts: 97
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The really sounds like the diverter valve. They are prone to failure. I had one go on an Audi TT and it was like you described. On a 930 I used to own I had a billet version. There are several different places that make these.
Old 09-14-2009, 09:35 AM
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