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Thread: Turbo issue

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    Regular Member kman247's Avatar
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    Default Turbo issue

    hi guys , got a wierd noise coming from the wifes 2007 1.9 150 vectra. It sounds like the turbo has decided its now a siren , on tickover its fine but as soon as the turbo spools it takes about 3 secords for the turbo noise to go. Is this likely to be the turbo or the dump valve?
    Cheers folks.

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    My missus has the CDTi 150 and exactly the same sympton as you. It's done it for over 30k miles now. Still pulls well with no problems. It's a 56 reg car with 130k miles on it

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    Full Member GazVXLINE170's Avatar
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    Leaking exhaust/badly split flexi? There is no dump valve m8.
    Insignia VX-Line Nav CDTI 170.

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    Quote Originally Posted by Gazza4 View Post
    Leaking exhaust/badly split flexi? There is no dump valve m8.
    Thought that on mine, but it deffo comes from the turbo (when revved, bonnet open). Exhaust / flexi is solid and has passed two MOT's like this.

    I actually quite like the sound of it tbh

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    Regular Member kman247's Avatar
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    Cheers Gazza , I will have a proper look underneath it later this week and hopefully report back my findings

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    Full Member GazVXLINE170's Avatar
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    Quote Originally Posted by tony-1977 View Post
    Thought that on mine, but it deffo comes from the turbo (when revved, bonnet open). Exhaust / flexi is solid and has passed two MOT's like this.

    I actually quite like the sound of it tbh

    The MOT won't look at the exhaust under (or above I suppose) the engine skid tray.

    Fail in that check the pre-cat flanges and the connection to the turbo itself.
    Insignia VX-Line Nav CDTI 170.

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    Quote Originally Posted by Gazza4 View Post
    The MOT won't look at the exhaust under (or above I suppose) the engine skid tray.

    Fail in that check the pre-cat flanges and the connection to the turbo itself.
    The skid tray cover is missing

    Good one about the pre-cat and turbo connection. Will investigate

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    Full Member GazVXLINE170's Avatar
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    Quote Originally Posted by tony-1977 View Post
    The skid tray cover is missing

    thought as much
    Insignia VX-Line Nav CDTI 170.

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