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Thread: buzzing noise after i turn ignition off?

  1. #1
    Regular Member EURO G's Avatar
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    Default buzzing noise after i turn ignition off?

    ive just bought my vectra and ive noticed a buzzing noise coming from dash after i turn ignition off just wondering if its normal sounds electrical

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    Regular Member nutron's Avatar
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    Vehicle : Vauxhall

    Trim : very

    Engine : Z19DTH

    Year : Nosey

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    I presume it is a common rail diesel, in which case it is completely normal. If you put the key in and turn it to the ignition point without starting the car, you should hear the same buzz until the rail has pressurised.

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    Same thing happened with my petrol - i think it's either the air vents closing or the immobiliser

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    It can also be the vacuum system depressurising, I think it operates the heater controls as well as various stuff under the bonnet.

  5. #5
    On a Sabbatical VauxVeteran's Avatar
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    Nope, this is the limited edition Terrorist spec, designed jointly in Ireland and Pakistan it's supposed to explode when you take out the key, sadly they used Italian triggers so thats why it only buzzes instead of exploding. hth

  6. #6
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    Quote Originally Posted by T4M_VX View Post
    Same thing happened with my petrol - i think it's either the air vents closing or the immobiliser
    The immobiliser doesn't have any moving parts. I'm also curious as to exactly what makes the noise...

  7. #7
    Regular Member david-bell's Avatar
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    Vehicle : vectra vxr

    Trim : vxr

    Engine : 2.8 v6 turbo

    Year : 2008

    Mileage : 31000

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    as tam said im sure it somthing to do with the air vents my old 1.8 sri done the exact same

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