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Thread: Diesel (CDTi) Whistling Noise

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    Default Diesel (CDTi) Whistling Noise

    Hi got the 1.9CDTi 150bhp engine in my car and have developed a weird noise, from about 1600rpm to over 4000rpm there is a kind of whistling noise coming from the engine, as the revs build the whistling get higher pitched, but it wonít do it all the time, sometimes itíll be doing it then youíll get stuck in traffic and not move for a minute or so, set off and nothing, then after miles later it comes back.

    The engine has only covered 2.5k miles so far, to me it doesnít sound like the turbo, could it be a faulty common rail unit? Power and MPG arenít suffering as Iím getting a steady 47MPG on my daily drive.

    Has anybody any suggestions?

    Ta
    Daz

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    Regular Member Andy's Avatar
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    no idea mate, but thats the beauty of warranties... you dont need to know. Just hoy it back to the dealer and tell them to fix it

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    Could be normal sound of the turbo spooling up ?

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    Always had that noise on the vecs, not so much on the signum... think it is just the turbo mate.

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    Sounds like the normal turbo sound, I've not heard another car that whistles as loud as the vec. ts more noticable sometimes as well, no idea why.

    Its a bit louder with a box on as well - sounds great

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    Thanks guys, just never heard it before until the other day (and i have hearing like a fox ), will be booking it in to Vx just to make sure. I'll let you know if they find owt.

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    Over the weekend the noise has gotten louder.....there is a noise at idle now coming from the fan belt area...is this a commom issue with the CDTi's?

    Anyway Cars booked in at Vx on thusday.

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    Regular Member Gsi3.2's Avatar
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    Other people have had issue's with the drive belt tensioner, particularly on the 2.0 ltr engines. Look at the threads in the petrol section...

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    Quote Originally Posted by Gsi3.2
    Other people have had issue's with the drive belt tensioner, particularly on the 2.0 ltr engines. Look at the threads in the petrol section...
    Yeah spotted that thanks matey

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    Regular Member ion's Avatar
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    Quote Originally Posted by Dazza_CDTi
    Over the weekend the noise has gotten louder.....there is a noise at idle now coming from the fan belt area...is this a commom issue with the CDTi's?

    Anyway Cars booked in at Vx on thusday.

    No mate, that doesn't sound right at all.

    Good that its booked in, let us know how it goes.

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