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Farmall & IHC Tractors Discussion Forum
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Transmission fluid????

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Griz

12-07-2003 09:35:45




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My H is at the farm I bought and my uncle is living out there for now. He is a self professed expert on Farmalls. Anyways, he left me a message telling me that he was doing me a favor today by changing out the fluids on my Farmall (without asking my permission). He said that the transmission fluid was leaking out faster than he could put the fluid in!!! As you are well aware, I am just now learning the basics of my Farmall and am still very much in the discovery phase. What I think is happening is that he is putting way too much in and it is overrunning?? When I picked up the tractor there were no leaks anywhere nor where there on the trailer during the 8 hour ride back home. He also said the radiator fluid is more brown then clear fluid although it tests to 5 degree's. I'll change out the radiator fluid but am worried about the transmission. Can anyone elaborate on what to look for and what this could possibly be? If the tranmssion does have a major leak how hard and/or expensive can it be to fix? Any help is appreciated!

Griz

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Michael Soldan

12-07-2003 18:53:58




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 Re: Transmission fluid???? in reply to Griz, 12-07-2003 09:35:45  
Griz this is quite common that an old Farmall will have leaked down and when you fill it to the proper level you think you have new leaks when in fact they are old ones. It is most likely one of two seals up under the belly pan where the lift all is located( or not..if you don't have a lift all the job just got easier) There are two seals off of the rear housing , one on the drive shaft and one on the lift all shaft. Undo the bolts on the drive shaft and lower it out of the way,using a pipe wrench undo the collar and the seal will be accessable( Both shafts have a collar) Your Case-I-H dealer still handles replacement seals which are about half the width of the original. Pick the old seals out and replace, then refill your rear end with gear oil. My one H was leaking only on the liftall shaft and I did the PTO shaft as well, my other H needed axle seals and PTO ..not an impossible job but will eat up a Saturday As is pointed out be carefull if you need to do axle seals.Block the tractor up good , getting the wheels off the axle is a toughie, I've done it alone but it would be better if a friend was there, clean the axle and rub it smooth and shiny with emery cloth,udo the housing bolts and pull the axle seal housing off, grease the axle up and slde the new seal in housing back on and rebolt..it took me about three hours to get the wheels off and a half hour to change the seals, then you have fresh rear gear oil and no leaks...good luck ding me if you need help...Mike in exeter Ontario

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BEL@IN

12-07-2003 14:43:43




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 Re: Transmission fluid???? in reply to Griz, 12-07-2003 09:35:45  
Did he by chance put hytran fluid in?



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williamf

12-07-2003 11:06:01




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 Re: Transmission fluid???? in reply to Griz, 12-07-2003 09:35:45  
As he's an expert he'll no doubt be happy to show you how to change the seals while you stand there and watch. :-)
Are you sure it had oil in it when you got it? Mine only had a few quarts of sludge; when I put fresh (still liquid) oil in it it started leaking pretty bad.
Wm



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Tim

12-07-2003 10:42:49




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 Re: Transmission fluid???? in reply to Griz, 12-07-2003 09:35:45  
Some (or most) of the seals in the transmission case on your h will most likely need to be replaced, i had to replace every seal on my H when i got it.

The problem is that over the years the old leather/felt type seals dry out and leak, its very common, the transmission takes 6 gallons of 85-140, you may also get some luck with the leaks by adding a few liters of automatic transmission fluid, for some reason ATF seems to make the old leather seals swell up and it might stop leaking.

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Bob in SE Nebraska

12-07-2003 10:36:50




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 Re: Transmission fluid???? in reply to Griz, 12-07-2003 09:35:45  
I had a Super M do that. When I filled the transmission to the proper level it leaked badly. Replacement of seals takes a good amount of work but it isn't bad to do. The cost isn't too bad. The seals are old on these tractors so I suppose it is understandable that they need replaced.

Bob



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Griz

12-07-2003 11:24:46




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 Re: Re: Transmission fluid???? in reply to Bob in SE Nebraska, 12-07-2003 10:36:50  
For someone that is new to these tractors, is changing the seals an easy or straight forward process? Where can I get a step by step illustration? Or, is it easier just to pay someone? If so, ballpark cost? Thanks!

Griz



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Bob in SE Nebraska

12-07-2003 16:01:30




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 Re: Re: Re: Transmission fluid???? in reply to Griz, 12-07-2003 11:24:46  
You can do the seal changes if you have a decent place to work on it. Seals at the front of the transmission require removing the hydraulic pump and then you can get at the seals pretty good. You don't have to remove anything to get to the pto seal. Outer axel seals require removing the rear wheel but replacment of the seal is easy from that point on. The seals behind the brakes can be acomplished without too much problem. Biggest concern is to work safely when you are doing these things but it is a project that isn't too difficult.

Bob

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The Red

12-07-2003 09:39:21




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 Re: Transmission fluid???? in reply to Griz, 12-07-2003 09:35:45  
H tranny/rear end holds 6 gallons of 90W. Where is it leaking at?



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Griz

12-07-2003 09:46:46




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 Re: Re: Transmission fluid???? in reply to The Red, 12-07-2003 09:39:21  
I have no idea as to the location. I am running out there this afternoon to take a look. I don't see how this tractor could have no leaks when running it at the buyers farm, none on the way home and non while running it at my farm. Now, all of a sudden, it has the world's worst leak. It makes no sense at all.

Griz



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