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'56 FMD transmission/rear end leak

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Bruce Harle

08-03-2001 09:34:22




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I have been thinking about the above mentioned problem I have. In other postings here, It has been confirmed that it won't hurt the rear end to be too high, the oil can't get into the brakes, and that I should worry about transmission being too low. I would like to use it this fall some more before fixing this winter.

Question: If the above it true, why can't I keep filling transmission up until rear end level matches the full level of transmission?

I am guessing there is a reason I am missing as if this is true, then why wouldn't the normal operating level of the rear end have been at this level and the tractor designed without the seals between the two sections. One obvious reason would be the extra cost of the fluid to fill this high, personally this would be cheap if it keeps from destroying transmission.

Again, thanks in advance

Bruce

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Stephan

08-05-2001 14:07:25




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 Re: '56 FMD transmission/rear end leak in reply to Bruce Harle, 08-03-2001 09:34:22  
Bruce
If you fill the rear end up to the level of the tranny it wil rise above the seals of the brakes and
the rear axl (don't know if I spelled that right)
So if they are worn, you will have a problem.
If the rear end is at the original level the oil doesn't reach the seals (unless the tractor is leaning to one side, with plowing for instance)
Also you have to ad quite a bit of oil to get the rear level up to the tranny, I think at least 30 liters extra. Don't know the prices in the US but around here that a lot of money If the oil of the tranny at the original level leaks into the rear end the rear end level doesn't rise above the seals mentioned.

Don't know if al this makes sence, i just got home from a holiday so the mind is not working 100% yet
Hope this helps

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Bruce Harle

08-12-2001 06:47:20




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 Re: Re: '56 FMD transmission/rear end leak in reply to Stephan, 08-05-2001 14:07:25  
Lets see if I have this straight.

If I continue to add fluid to the transmission whenever it gets low due to leaking to the rear end, without removing any fluid from the rear end, eventually the rear end level will be high enough to run over into the brakes.

I thought it would be too easy to just overfill! Thanks for the tip.

bruce



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tooly

08-12-2001 17:10:33




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 Re: Re: Re: '56 FMD transmission/rear end leak in reply to Bruce Harle, 08-12-2001 06:47:20  
I have the same problem with my 52 Fordson Major.
Almost feel foolish to tell you this ,but I use a simple ( lazy) way out!
I have an old hydraulic hose which I plug into my breakaway coupler and simply pump oil back to the tranny.Takes just seconds to do and I'm good for another month!



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Bruce harle

08-14-2001 09:19:15




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 Re: Re: Re: Re: '56 FMD transmission/rear end leak in reply to tooly, 08-12-2001 17:10:33  
One question, Which connection do you hook to? The male(i think) coming out the left front or the female? coming out the back right? I should have my hose after the weekend.

Thanks again



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bruce harle

08-13-2001 07:26:12




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 Re: Re: Re: Re: '56 FMD transmission/rear end leak in reply to tooly, 08-12-2001 17:10:33  
That is a great idea! Simple & Easy, I like that.

My tractor someone installed a plumbing valve at the back right side of pto it looks like to drain the oil, but it is so dirty that I hate the idea of draining the oil and letting it run over everything and catching in a pail. I think I will follow your idea until I get time to fix the seals.

Thanks for the reply.

Bruce



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Bruce Harle

08-03-2001 12:48:49




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 Re: '56 FMD transmission/rear end leak in reply to Bruce Harle, 08-03-2001 09:34:22  
One additional thought as to why in the past one would not have done this is the difference in the fluids called out for each section. With universal fluid now, I wonder if what I described makes sense.



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