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  1. #1
    New Member MGBBob80's Avatar
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    Ford/640

    Default 1955 Model 640 Oil leak

    I'm experiencing an oil leak and having difficulty identifying where it's coming from. Part of that problem is the engine is very dirty right now and I'm getting ready to clean it up, but would like to know where the leak is coming from before I start taking it apart. The oil is dripping on the floor just below the generator. I can see it pooling in the cavity below the pulley attached to the crankshaft, but don't see it leaking from anywhere in particular. it's also collecting on the ledge that the oil pan bolts up to. Again, this is only on the left side of the engine (facing toward the front). Are there any routine trouble spots that I should be looking for? Bob

    -dscn0565-jpg-dscn0566-jpg-dscn0567-jpg
    Bob Finley

  2. #2
    Silver Member Varmint1's Avatar
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    JD 1010, JD 970, Farmall Super A,Komatsu D20A-5,Ford 4500,Ford 4000 forklift,Ford 640 w/703 loader

    Default

    Could be the front seal as it is running it slinging it around

  3. #3
    New Member MGBBob80's Avatar
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    Default Re: 1955 Model 640 Oil leak

    Good info that I'll look in to. Off the cuff - tough fix?
    Bob Finley

  4. #4
    Epic Contributor Soundguy's Avatar
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    Default Re: 1955 Model 640 Oil leak

    very likey front seal.

    medium work.. you'll want the front end off.. might as well address the king pin then and spindles, hubs and axle bearings too. front cover.. gaskets.. pan gasket.. crank seal in cover.. etc.. check governor..e tc..

  5. #5
    New Member MGBBob80's Avatar
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    Ford/640

    Default Re: 1955 Model 640 Oil leak

    That's what I expected. Many thanks for your reply!
    Bob Finley

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