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Thread: 2.2DTI all of a sudden loud turbo whine

  1. #1
    Regular Member Innes's Avatar
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    Default 2.2DTI all of a sudden loud turbo whine

    Its a 2.2DTI 2002 Vectra SRI Hatchback with 92k miles.

    I've had the veccy nearly two years and have gotten to know it quite well now. Last week I put my foot down and was greeted with the turbo spooling up with a loud whine. It does it in all gears. There is no loss in performance and there is no smoke.

    Under acceleration whine spools up with the turbo then flattens off about 3,200 rpm whilst the car still carrys on accelerating as normal

    Its not a whistle which indicates a split hose. Have checked all the hoses just in case though.

    I had a turbo go on my megane and it was a scrapping noise not a whine so not really sure whats going on.

    has anyone had their turbo whine go loud for no reason?

    Things that have been done in the last 2 months:
    Oil catch tank fitted (now put back to standard in case it was causing issue)
    Full service including engine flush
    New oil and fuel filter
    Gear box oil changed

    Any ideas would be great!!!!

  2. #2
    Regular Member TonyP2020's Avatar
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    Vehicle : Mokka

    Trim : SE - Orange Rock 's !!

    Engine : 1.7CDTi

    Year : 2014

    Default

    I have recently removed my turbo.
    I cant remember if you have also removed, or played with, your turbo in the past.
    It is quite easy to remove the clean air end of the turbo and have a look. Remove the pipe from the MAF, then 4 bolts.
    Cracking the oil feed on top of the turbo should result in oil seeping out, and that would indicate oil feed ok.
    It is also possible that the engine flush cleared crap from the turbo so its working better now!

    Edit.
    Another thought. Is the removable sound panel still under the engine or have you lost it??
    Last edited by TonyP2020; 3rd November 2011 at 13:54.

  3. #3
    Regular Member Innes's Avatar
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    I was wondering if the oil vapour from the breather pipe lubricated the turbo and since fitting an oil catch tank that the turbo is not being lubricated. As mentioned I've but the breather pipe back to normal just in case. If not convinced by that though.

    I'll try and record it as I'm sure it's not supposed to sound like it.

  4. #4
    Regular Member Innes's Avatar
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    The panel Is still in place. I got a friends son who's a lorry mechanic to listen to it and he said it sounds normal to him but he did admit lorry diesel turbo and engines make a he'll of a noise when they spool. He said as there's no smoke or lack of power see how it goes but I have the feeling I'm sitting on a time bomb

  5. #5
    Regular Member TonyP2020's Avatar
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    Vehicle : Mokka

    Trim : SE - Orange Rock 's !!

    Engine : 1.7CDTi

    Year : 2014

    Default

    The turbo has an oil feed (and drain back into the sump) its a pipe on the top of the turbo between the exhaust end and the fresh air end.
    Remove the heat/sound cover and you will see it.
    I do have photo's of my turbo, but they are at home.
    I am intending to do a How 2 about looking inside the turbo.
    When I get a round to it.

  6. #6
    Regular Member peadar's Avatar
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    Vehicle : ELITE

    Trim : FULL LEATHER

    Engine : 1.9 CDTI 150 BHP

    Year : 2004

    Mileage : 87,000

    Default

    Mines does the same and its been like that before i got it nearly a year ago atlesat 12000 mile so dont panic

  7. #7
    Regular Member Celes's Avatar
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    Vehicle : Opel Signum

    Trim : Sport

    Engine : 3.0 CDTI

    Year : 12/03

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    I'd recommend you to inspect the shaft of the turbo. As already said, remove the air feed hose and then with your finger gently check if there is any play. There will be some left-right, but there should be none in-out!

  8. #8
    Regular Member Innes's Avatar
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    Default

    Will check the shaft on the weekend. I've recorded the sound whilst driving so going to upload that shortly. I'm sure you'll agree it shouldnt sound like it!

  9. #9
    Regular Member Celes's Avatar
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    Vehicle : Opel Signum

    Trim : Sport

    Engine : 3.0 CDTI

    Year : 12/03

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    If you only recently noticed the noise it most definitely doesn't sound as it should

  10. #10
    Regular Member Innes's Avatar
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    HEre is the noise. the 1st part is me turning into a junction then accelerating. The 2nd part is me joing a duel carriage way from a slip road.

    http://www.youtube.com/watch?feature...Qxpjd7xE&gl=GB

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