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    OM646 diesel leak-off pipe T-piece

    Afternoon all, My 2008 E220CDi seems to have air in the low pressure diesel pipework near the fuel filter. When I turn the ignition on you can hear a lot of air bubbles rushing through the pipework for about 20 seconds, presumably as the lift pump in the tank operates. I suspect that air is...
    • selphy
    • Thread
    • diesel leakoff om646 pipe tpiece
    • Replies: 8
    • Forum: Engine
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