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Order Ford 4000 Parts Online

75 4000 leak advice

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Dchilds

04-26-2020 09:11:23




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I bought a 75 4000. It s an 8 speed diesel with independent PTO.
It has a leak coming from the "nub" located at the 5 o clock position on the hydraulic pump cover behind the right foot rest. Has anyone ever encountered or fixed a similar leak? If there s an o-ring sealing this, I don t know how to get to it.
Any advice is appreciated!




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Dchilds

04-26-2020 11:11:00




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 Re: 75 4000 leak advice in reply to Dchilds, 04-26-2020 09:11:23  
I don t usually like doing things halfway but I m this case I decided to roll the dice. I was able to pry the pump about 1/16" away from the tractor and I squirted some gasket maker up into the crack. I don t have high hopes that it will fix it but it was worth the experiment to me. Time will tell. I will report back when I ve determined whether it holds the fluid in (at least in the short run.



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Dchilds

04-26-2020 09:36:52




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 Re: 75 4000 leak advice in reply to Dchilds, 04-26-2020 09:11:23  
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Thanks, majorman. Any guidance getting that gasket fixed? I m assuming coming in from the top...big PIA, right?



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Dchilds

04-26-2020 09:12:40




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 Re: 75 4000 leak advice in reply to Dchilds, 04-26-2020 09:11:23  



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Majorman

04-26-2020 09:30:40




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 Re: 75 4000 leak advice in reply to Dchilds, 04-26-2020 09:12:40  
That is a dowel pin that helps locate the pump, you would possibly have to remove the pump to get to it. From what I remember should be a blind hole, there is no seal or "O"ring on it. Could be the pump gasket is broken at that point.



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