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  1. #1
    Platinum Member sawtooth's Avatar
    Join Date
    Sep 2007

    Default Leaky fuel pump on 3910. Help!

    Anyone know what is involved in tearing one of these down and replacing all seals?

  2. #2
    Join Date
    Sep 2012
    Ferguson TEA20/Shibaura SE 1640 / Ford 1920

    Default Re: Leaky fuel pump on 3910. Help!

    This link will show you all the seals and gaskets you have to replace .


    I have taken out and mounted complete CAV rotor pumps. It is an ok job. I`ve always handed the pump over to a diesel workshop for all other work.

  3. #3

    Default Re: Leaky fuel pump on 3910. Help!

    Is it leaking around the throttle shaft and/or shutoff shaft? If so, it is just a few o-rings located in the top cover. Some say it can be done (carefully!) without removing the pump from the tractor, while others say it is easier to remove the pump. If you try it with it on the tractor, make sure the outside of the pump is absolutely clean, and pay attention to where the springs are connected to as you remove the top cover. I have one to do, but haven't decided which way to go. Since a loader frame is in the way, I'll probably remove the pump to be safe.

  4. #4
    Platinum Member sawtooth's Avatar
    Join Date
    Sep 2007


    Thanks guys. I believe its fixed now so gonna watch it. So far so good. Thanks again for the help

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