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  1. M

    S6 V10 Engine Sucking and Squeals

    Did just that.... Turns out that a diapraghm had split.... Didn't even know it had one.... Get the car back next week as they had to order the part in... Woohoooo
  2. M

    S6 V10 Engine Sucking and Squeals

    So... An update... Took it to the local Audi specialist and after much listening and poking around, couldn't see anything wrong. Apparently the S6 engine does have a lot of vacuum and there's nothing wrong.... Think I must be going paranoid, sure it's not the end of it though....
  3. M

    S6 V10 Engine Sucking and Squeals

    Hi. I recently took my car to the local garage for the above problem but they didn't have a clue what the issue was. Reading bits on the web, it sounds like it could be the PRV or PCV or possibly both. Firstly, am I right in my assumptions, second, what are the replacement part numbers and...