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Thread: AIR

  1. #1
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    Default AIR

    sick signum 2004 2.2 d has anyone had this every time you bleed the fuel filter you have air coming out before any fuel

  2. #2
    Regular Member redraptor_141's Avatar
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    if theres air in the filter. id guess the fuel itsself was running back to tank and causing a cavitation in the filter which is after all the highest point the fuel goes to ...... i think.

    so all teh air in the system would go there and when you come to bleed it well there. is there a none return vale on the main feed from the tank? or mabye a split pipe? or have you run the fuel system till it was empty latley?

    It might just be Normal! lol but bleeding the filter is usually to separate the water from the fuel that sits below the fuel level obviously it being dencer than fuel.

    someone more knowing will be along soon mate!

  3. #3
    VIP-Member brifen's Avatar
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    Vehicle : Vauxhall Signum 2.0 DTI (Irmscher)

    Trim : Elegance

    Engine : 2.0 DTI 100 bhp

    Year : 2003

    Default

    Have you had any starting problems? The common problem is the leak off pipes need replacing. Basically they will be slightly perished and letting in air to the fuel system and allowing the fuel to drain back to the tank. Thus resulting in air in the fuel filter. However! If this was happening then I'd expect you would have starting problems if car had been sat any longer than a day or 2.

    Alternatively if you've had the fuel filter changed recently then it may well be the a slight leak that is letting in a tiny bit of air causing the fuel to start to drain back to the tank but not enough for you to get staring problems?

    HTH,

    Bri.
    Today!! The new tomorrow, live the NOW!!

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