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Re: Farmall 450

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Author  [Modern View]

03-01-2014 05:41:33

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Running with even a half cup of coolant in the oil can ruin the lower end. If it is just a wisp of coolant, and it heats out it still leaves residue in the oil that can degrade the lubricity. Jim

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03-01-2014 15:04:15

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 Re: Farmall 450 in reply to Janicholson, 03-01-2014 05:41:33  
Janicholson, yes. I have been changing the oil right now every few days. I am hoping to pull the pan on Wednesday. I read a few of your older post in regards to water in oil and putting a little pressure in the radiator via a cap. Was wondering if the radiator cap was on but not pressurized would that slow the leak? I could be wrong but kinda feel its a crack in the block or a cracked sleeve.

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03-01-2014 16:16:23

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 Re: Farmall 450 in reply to DVF, 03-01-2014 15:04:15  
That would reduce the flow into the oil if the leak is not a compression leak from combustion gasses into the coolant. There are test kits from auto stores that test radiators for the presence of exhaust gasses. Cheap and accurate.
A cracked bore casting is possible allowing coolant to leak down between the sleeves and the cast bore. The coolant will be found dripping from the interface between the sleeve and the block. The solution for that is to have the block bored for a repair sleeve then that sleeve bored (and counterbored for the sleeve ring) to accept the original sleeve that is in the tractor.
That is a very successful and permanent repair.
If it is not a compression leak, I would try barsleak liquid to seal it up till the time it can be repaired correctly (follow the directions) Jim

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