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Thread: Brake servo Valve (one way valve)

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    Default Brake servo Valve (one way valve)

    I need help. My brakes are going from hard to normal. I suspect it could be the one way valve (throttle body to the brake servo).

    Where can i buy a new one. Cant find any on Ebay and i phoned a few shops, they dont stock this.

    Any help would be great.

    Thanks

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    Regular Member lee gsi's Avatar
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    Tried Vauxhall?

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    does anyone know any part numbers etc??

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    Regular Member 06sri's Avatar
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    page 3, you will be able to find your part number

    http://www.vectra-c.com/forum/showth...hut-down/page3

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    Thanks everyone. The part number is indeed 90498464. I will check with vauxhall tomarrow about buying one. Has anyone ever experianced this problem??
    The car brakes loses vacum when starting which makes the pedal hard like the engine wasnt started and causes the car to not start or to judder realy bad and stall.??

    I have a MAf ordered and will be fitting it when it arrives but i suspect the brakes is the cause of the starting problems now.

    Thanks
    Last edited by Tank988; 29th October 2012 at 19:52.

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