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Thread: CDTi 8v Whine

  1. #1
    Regular Member welshhuw's Avatar
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    Default CDTi 8v Whine

    Hi,

    I am hoping to buy my second Vectra very soon and had a look at a 1.9CDti 8V 2005 which was very nice. It's done 97k, FSH, and has had the timing belt changed recently.

    One thing I noticed though was a kind of whine when I gave it throttle. It happens when parked and whilst driving.
    When driving, the more throttle you give, the whine becomes more prominent.

    The guy said it was the sound of the Turbo.... I haven't driven a CDTi before but am a little sceptical that it's the Turbo sound to be honest.

    Does anyone know what this could be or is it normal??

    Your advice would be much appreciated, thanks

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    sounds like the timing belts too tight to me , cdti's arent any noisier than any other deisel pal
    Last edited by bembo449; 7th May 2012 at 12:54.

  3. #3
    Regular Member welshhuw's Avatar
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    So there's nothing much to worry about?

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    Regular Member neill's Avatar
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    Vehicle : Vectra C estate

    Trim : SRI

    Engine : Z19DTH

    Year : 2008

    Mileage : 79000

    Default

    turbos shouldnt wine, id say cambelt issue. Best thing to do is get somebody to rev it and see if you can locate the noise

  5. #5
    Regular Member amand's Avatar
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    it could be the idler pulley?

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    Quote Originally Posted by welshhuw View Post
    So there's nothing much to worry about?
    yes ! if the cambelts too tight it wil ear prematurly and snap , totaling the engine , there are loads of em for sale pal , find one that does arouse your suspicion

  7. #7
    Regular Member welshhuw's Avatar
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    Hmmm....

    Gutted.. the car is lovely.

    Is it easy/cheap to get the timing belt or cam belt checked out/loosened?

  8. #8
    Regular Member welshhuw's Avatar
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    Default

    It sounds quite like this actually:
    http://www.vectra-c.com/forum/showthread.php?t=95559

    Turbo on it's way out perhaps?? I'll see if I can knock him down a few hundred quid to cover for it.

    Is there a sure fire way to tell if the Turbo is on it's way out??


    Where can I find the turbo/timing belt/cam belt and Alternator on a 1.9CDTi 120? A pic would be very helpful if at all possible. I'd love to know where the sound is coming from.

    Thanks for all the help.

    It sounds very much like this: Vauxhall Astra 1.9 CDTI Turbo Whine - YouTube
    Last edited by welshhuw; 7th May 2012 at 15:29.

  9. #9
    Regular Member AntSSSS's Avatar
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    Vehicle : Vectra Estate

    Trim : SRI

    Engine : CDTI 150 (Z19 DTH)

    Year : 2008

    Mileage : 100k

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    Does it sound like a siren type noise when the turbo comes on boost??.. If so the bearings are shot in the turbo.

    I have this at the moment and am changing my Turbo next week...

  10. #10
    Regular Member welshhuw's Avatar
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    Quote Originally Posted by AntSSSS View Post
    Does it sound like a siren type noise when the turbo comes on boost??.. If so the bearings are shot in the turbo.

    I have this at the moment and am changing my Turbo next week...
    I've just added a video with the sound (See above)..

    Turbo would be a few hundred to replace I'm guessing?!

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