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Thread: 2.0 DTI Whistle sound ???

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    Default 2.0 DTI Whistle sound ???

    Hi all had this problem or concern and came across your site when i googled it so thought i'd come say hello.

    Ive just noticed that when stationary If i quickly rev the engine to around 1750 then come off the gas quickly... as the revs drop down to around 1000 RPM their is a very quick "whistle" its litterally a fraction of a second.

    If reved up to around 1500 rpm or less it does not do this.

    I also noticed only the once though that it whistled at 3000 RPM ish when i was pulling away quickly ish after first hearing the 1000 whistles.

    Is this normal and nothing to worry about?

  2. #2
    Ex-Staff Full Member John LE's Avatar
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    Vehicle : Facelift Insignia/Corsa D

    Trim : LE/VXR

    Engine : 2.0 cdti/1.6 Turbo

    Year : 13/07

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    100% normal for the dti and something to be enjoyed

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    phew... the thing is i have had the car for over a year now and have never heard it before.. i know it has the turbo.. but it wasnt exactly proud to let itself be known!

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    Ex-Staff Full Member John LE's Avatar
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    Vehicle : Facelift Insignia/Corsa D

    Trim : LE/VXR

    Engine : 2.0 cdti/1.6 Turbo

    Year : 13/07

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    If you've never heard it before have a look at the boost pipes and check for splits but you'd be likely be getting smoke/limp home mode if there was a split

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    Quote Originally Posted by john.robertson2 View Post
    If you've never heard it before have a look at the boost pipes and check for splits but you'd be likely be getting smoke/limp home mode if there was a split
    It has been a bit sluggish and down on power recently.. but have put this down to needing to clean the EGR Valve (never been cleaned before) and the fact its geting close to needing another service..

    However after todays ... spirited drive it seemed to be up on power rather than down..

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    Had similar problem with my signum turbo but mine whistled when I went up in revs to change gear. How many miles has your car done? We have just had to replace the turbo because it started smoking really bad.

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    Forgot mention that the whistle got more often, it sounded like a police car. Lol.

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    Ive done 73k in mine. the whistle has once or twice appeared when goign up the revs...

    Now i have a nice sucking/raspy sound when driving and at over 2750 revs... the sound is not there when the car is standing still though.

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