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  1. #1
    Bronze Member
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    Oct 2012
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    Windham
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    John Deere 70

    Default Water pump-- rebuild at least new seal? Model 70 gas

    The water pump on this tractor was new when I bought it but leaks behind the pulley.The casting is F1052R it looks like the pulley is pressed on,would like to just change the seal on this pump.
    Anybody ever rebuild one?

  2. #2
    Elite Member Tx Jim's Avatar
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    Jan 2007
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    3,718
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    Coyote Flats,Tx
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    JD 4255/Kubota M7040 HDC

    Default Re: Water pump-- rebuild at least new seal? Model 70 gas

    It's been 30+ yrs since I've rebuilt a 2 cyl waterpump. To access the area where the seal sits one needs to press brg & impeller out of WP housing. If it were my WP I'd install a new brg,seal and probably the impeller.

  3. #3
    Bronze Member
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    Oct 2012
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    75
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    Windham
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    John Deere 70

    Default Re: Water pump-- rebuild at least new seal? Model 70 gas

    This pump is still like new just needs a seal or so it appears without pulling it apart.Day off tommorrow will put a puller on the pulley and see if it moves.
    Looks like the impeller is also pressed on.Have not looked at the manual yet doing the night shift at work.This pump will certainly get what it needs to make it 100%.

  4. #4
    Elite Member Tx Jim's Avatar
    Join Date
    Jan 2007
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    Coyote Flats,Tx
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    JD 4255/Kubota M7040 HDC

    Default Re: Water pump-- rebuild at least new seal? Model 70 gas

    If that pump uses the ceramic insert on the seal I'll bet it's cracked.

  5. #5
    Bronze Member
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    Oct 2012
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    Windham
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    John Deere 70

    Default Re: Water pump-- rebuild at least new seal? Model 70 gas

    Got the pump apart after making an arbor to push against the pump shaft in the press. Monday will call about a seal kit.

  6. #6
    Elite Member Tx Jim's Avatar
    Join Date
    Jan 2007
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    3,718
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    Coyote Flats,Tx
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    JD 4255/Kubota M7040 HDC

    Default Re: Water pump-- rebuild at least new seal? Model 70 gas

    There's a SN break @ 7031300 for brg,impeller & seal. Gasket is identical
    F1053R gasket
    SN <7031299 AA5580R seal & slinger
    SN >7031300 R32622 seal

  7. #7
    Bronze Member
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    Oct 2012
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    Windham
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    John Deere 70

    Default Re: Water pump-- rebuild at least new seal? Model 70 gas

    The parts, bearing and seal kit are in next day off will pick them up,the impeller just needs a little touchup.
    The last thing to tear into rebuild, renew, what ever it takes till the warm weather returns will be the power steering.

  8. #8
    Super Member flusher's Avatar
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    6,207
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    Northern California-Tehama Co.
    Tractor
    2008 Mahindra 5525, 1964 MF-135 diesel, 1951 Farmall Super A, 1951 Minneapolis Moline BF, 1945 Oliver 60 Row Crop, 1949 JD B widefront

    Default Re: Water pump-- rebuild at least new seal? Model 70 gas

    Quote Originally Posted by mdross1 View Post
    The water pump on this tractor was new when I bought it but leaks behind the pulley.The casting is F1052R it looks like the pulley is pressed on,would like to just change the seal on this pump.
    Anybody ever rebuild one?
    Be careful with that water pump that you don't crack the casting when you try to get the pulley and seal out. That happened to me in the engine shop I use when the mechanic was pressing the leaking bearing out of the casting. Fortunately he's good at brazing and was able to do the repair successfully.

    Good luck.

  9. #9
    Bronze Member
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    Oct 2012
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    Windham
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    John Deere 70

    Default Re: Water pump-- rebuild at least new seal? Model 70 gas

    Appreciate it, it is all apart cleaned and painted.Took the time and used the right puller then made an arbor to push against the pump shaft.It actually came apart with no fuss.

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