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Thread: Whistle from Turbo

  1. #1
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    Default Whistle from Turbo

    Hi
    My 1.9CDTI [150] Vectra has developed a 'whistle' at low revs <2000rpm
    It is noticeably worse when cold.

    Had it checked at vx dealers who confirm it is coming from the Turbo.

    My question are :
    How commom is this whistleing ?
    Is it something I should worry about ?
    Any solutions on how to resolve ?
    Is it an indication that the Turbo is about to fail ?
    Is a Turbo easy to replace or is it a garage jobbie ?
    How much to replace a Turbo ?

    Sorry for the 1001 questions.

    Thanks in advance for your help / advice

    Jason.

  2. #2
    Regular Member parsco's Avatar
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    Turbo whistle is normal. It means it's working and spooling up.

    It's a good sound to hear mate, sporty

    Nothing wrong as long as you are still getting the power...

  3. #3
    Regular Member exitusletalis's Avatar
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    If you dont have a sports panel- or conefilter and you still hear the whistle, the turbo might be coming to it's end.

  4. #4
    Regular Member parsco's Avatar
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    Quote Originally Posted by exitusletalis View Post
    If you dont have a sports panel- or conefilter and you still hear the whistle, the turbo might be coming to it's end.

    Hmm...how is that? The turbo will make a noise because it's the noise of the air being forced through (whistling). Mine has been doing it since I bought it on 60k, it is now on 85k and it's fine....

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    As above matey... unless you have a drop in power or excessive smoke, nothing to worry about

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    Regular Member m8internet's Avatar
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    Quote Originally Posted by VX150-VECSRI View Post
    Had it checked at vx dealers who confirm it is coming from the Turbo
    Apart from that, did they advise it was normal, something to keep your eye on, or an early sign of main bearing failure?

    Under 2000rpm it is rare to hear the turbo, unless you have the windows down and radio off

  7. #7
    Regular Member m111kan's Avatar
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    Mines only done 29k & has whistled since i bought it at 17k. No problems for me

  8. #8
    Regular Member John C S's Avatar
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    Some do and some don't whistle.

    It is all dependent on the trueness of the spindle on the bearings more than anything.


    Also they get quieter with time if all is well!

    I've ran a Citroen TD from 0-102,000 miles and a Fiat Ducato van from 0-150000 miles and both turbos quietened their whistles.

    All I would say is that it is unusual that yours has just started whistling.

  9. #9
    Regular Member jonnybravo's Avatar
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    as john says some do some don't it all depends ao the engineering tolerances,we run allmost one hundred vehicles mostly turbo's and as said do's and don'ts

  10. #10
    Regular Member jonnybravo's Avatar
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    just a thought have you checked your exhaust manifold gasket,vx upgraded there gaskets to a multi layer gasket to cure this problem.can't remember what year though

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