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Farmall & IHC Tractors Discussion Forum
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Leaking seals

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Hand Crank

07-29-2007 10:26:06




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Are there any new additives on the market that can be added to the engine oil or transmishion that will stop seals from leaking?My tractors drip just enough to mess up my garage floor.Thank`s Don.




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City-Boy McCoy

08-03-2007 17:46:31




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 Re: Leaking seals in reply to Hand Crank, 07-29-2007 10:26:06  
Tractors leak.



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Patrick Martin

07-29-2007 17:11:02




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 Re: Leaking seals in reply to Hand Crank, 07-29-2007 10:26:06  
When you install the new seal be sure to coat the outside metal side with gasket sealer. It helps if the metal surfaces are pitted or warped.

Be sure to slip fit the new seal before you install it too. If it is something like the front crank seal then you'll have the timing cover off anyway. Clean and polish the crank end up with a fine emery paper and coat it with oil. Lubricate the seal and slide it on and test how it fits on the shaft. Sometimes those old felt seals, when full of dirt and goo, will hold abrasives like dirt, sand and itsy little rocks that will wear down the shaft and cause a dip in it. If you find that the new seal just barley grabs in that area then go to a seal shop and have them find you a better fitting seal OR take a ball bearing and set it in the backside of the seal after it is installed in the front cover and tap it with a hammer all of the way around the circumference of the seal. This will spread it just slightly and take up a little of the slack but it will only take up a couple thousandths if that and you have to be careful to not get it out of round too.

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old

07-29-2007 11:21:39




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 Re: Leaking seals in reply to Hand Crank, 07-29-2007 10:26:06  
I used that stuff one time and it cost me around $500 to fix what the stuff clogged up. I used it in a car engine and because of the stuff the oil pump relief valve stuck closed and it blow out almost every seal in the engine so NO I would not use the stuff



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Steven@AZ

07-29-2007 10:58:30




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 Re: Leaking seals in reply to Hand Crank, 07-29-2007 10:26:06  
In my experience the additives that claim to help with leaks or restore lost compression, oil pressure, etc. generally cause more problems than you had to start with.

Fix it right.



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Janicholson

07-29-2007 10:54:31




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 Re: Leaking seals in reply to Hand Crank, 07-29-2007 10:26:06  
I'll add that seal "snake oil" rejuvenator is usually a compound of materials that are chemically incompatible with seal material causing them to swell up and grow (like one of those compressed sponges that kids play with) when they do, they can seal up the leak for a week or two, but then the seal (and all other rubber and composition materials in the equipment) decompose and fail. JimN



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CNKS

07-29-2007 10:46:45




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 Re: Leaking seals in reply to Hand Crank, 07-29-2007 10:26:06  
Put plywood, OSB, or simply a piece of cardboard under them. Some leaks are hard to stop, even with new seals -- in other words every tractor leaks from somewhere. I know of no additives that will stop oil leaks, if they are advertised for that they are probably snake oil type stuff. I have a 41 H that I will get to someday. It doesn't just leak, it leaves puddles. I have a 4x8 piece of OSB under it. Moved it Friday for the first time in 2 years. Left the cleanest spot in my shop.

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MN Scott

07-29-2007 10:41:23




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 Re: Leaking seals in reply to Hand Crank, 07-29-2007 10:26:06  
The only sure way is to replace the seals. Put a mat of some type under your tractors to prevent the oil stains on the floor.



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