Farmall 300 gas tractor - oil in water system

Melvin Shaw · Sep 29, 2012

How is my 300 getting oil in my radiator/water system? Other than a blown head gasket, is the any other way oil can be getting into the water?

wisbaker · Sep 29, 2012

leaky sleeve seal, cracked block or head. Head gasket's not looking to bad now is it?

Janicholson · Sep 29, 2012

Though most likely a head gasket, any internal oil gallery that has a crack that passes into the waterjacket could do it. The passage to the rockers would be the location of that, but go for the gasket. Jim

D Slater · Sep 29, 2012

Is this a ongoing problem or something you just noticed? If the coolant pump is overgreased the coolant can look oily. Only other way I can think of is a leak on the pressure side of a oil passage. Like a crack in a oil passage or the oil hole through the head gasket to the head leaking. Most times after the engine is shut down and there's no oil pressure in the system coolant will leak into the oil if the above is the case. Maybe a crack in the rocker arm oil passage near the top of the head could leak oil and there not be enough coolant pressure that high to go back. Maybe other places, especially if the pressure cap on the radiator doesn't work.

Farmall 300 gas tractor - oil in water system

Melvin Shaw

New User

wisbaker

Well-known Member

Janicholson

Well-known Member

D Slater

Well-known Member

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