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  1. #1
    New Member
    Join Date
    Mar 2011
    Posts
    2
    Tractor
    Massey-Ferguson 1250

    Default Massey Ferguson 1250 fuel leak

    Hello all, I've got a MF 1250 that is leaking diesel from around the fuel filter assembly. It's a very slow leak, I usually notice after it's been parked for a while. I ran it for 15 minutes and didn't see it leak once. Started this winter.

    I've replaced the o-ring between the bowl and assembly per the dealer's recommendations and tightened down the metal ring that secures the bowl to the assembly as far as I can. I've also replaced the hose clamps on the tube between the fuel filter and the fuel pump.

    I believe the leak is coming from the top of the fuel filter assembly where the overflow hose is for bleeding air. I've got the fuel filter set to "off" for now to see if it continues to leak (valve is usually set to "on").

    Any ideas? If setting the valve to "off" stops the leak, I can live with that, but it's just one more thing to remember to do. I guess you can replace the whole assembly or maybe just the valve?

    Also, what's the best way to clamp off the tube from the fuel tank to the fuel filter? I guess I could just run the engine until the tank's dry.

    Thanks in advance!

  2. #2
    New Member
    Join Date
    Mar 2011
    Posts
    2
    Tractor
    Massey-Ferguson 1250

    Default Re: Massey Ferguson 1250 fuel leak

    Update - still appears to be leaking even with fuel filter switched to "off."

  3. #3
    New Member
    Join Date
    Dec 2012
    Posts
    1
    Location
    peel, new brunswick
    Tractor
    MF1250

    Default Re: Massey Ferguson 1250 fuel leak

    The elbow input and output connections are only pressed in witha bit of sealant and can come loose and leakwith tractor vibration. I have just experienced this myself. poor design. I have temporarily fixed used gas tank epoxy but also ordered a new fuel filter housing to be sure.

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