Chris NottVolks Autos
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  1. #1
    Reverse Gear

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    Feb 2010
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    Buckinghamshire
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    1

    No boost and whinning.

    Hi all. I have a 2000 S4 that has got no boost and the car is making a whinning noise when on the power. It is not a whooshing noise so no split pipes. (I've had one of those). For what It's worth I think one, (or both) of the turbos is not spinning. But how do I tell which one? Can you remove the turbos whithout taking the engine out. Looks like I MAY be able to get to them by dropping the sub frame. Any help would be greatly appreciated. thank you in advance. 20vtiny.

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  3. #2
    Gops's Avatar
    6th gear @7000rpm

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    Nov 2009
    Location
    Coventry
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    2,527
    Hi mate. Welcome to the forum. It's probably better to head over to the A4/S4 B5 section of the forum where the guys there would know abit more. Sounds like your turbo's may be blown?
    Quote Originally Posted by <tuffty/> View Post
    its either mapped or broken...

  4. #3
    6th Gear

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    Sep 2009
    Location
    Essex
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    2,366
    my car had an epic boost leak, it was in limp mode, but the leak made no noises

    go over it with a fine tooth comb to diagnose the issue before pulling it apart or throwing stupid amounts of money at it

  5. #4
    Neutral

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    Oct 2005
    Location
    wirral
    Posts
    45
    Do a pressure test first ..If you have a loud winning noise i would say it's blown turbo ....... The engine has to come out to change the turbos ..

 

 

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