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Massey Harris & Massey Ferguson Tractors Discussion Forum
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Oil In The Coolant

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Chuck (CA)

04-01-2005 15:34:23




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Went out this morning and noticed the oil was a bit low.. hmmmm, there's a first. Then checked the coolant and there it was. It started and ran just as always; No overheating problems or oil pressure issues.
It's a Standard 4 cyl diesel. It does have blow-by at idle, coming out of the tube in the valve cover.
Any suggestions? I know absolutely zip about diesels.

Thanks in advance.

Chuck

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Jerry/MT

04-04-2005 23:19:57




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 Re: Oil In The Coolant in reply to Chuck (CA), 04-01-2005 15:34:23  
Could be a bad head gasket with lube oil leaking from an oil passage into the coolant passage.



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Chuck (CA)

04-02-2005 07:15:20




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 Re: Oil In The Coolant in reply to Chuck (CA), 04-01-2005 15:34:23  
It's a TO-35 with a Standard 4 cyl. diesel, 1959 model.
When I first checked it, it was approx. 1/2 quart low. Then I ran it for about half an hour and then rechecked it..then it was a quart low.



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marlowe

04-02-2005 05:03:11




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 Re: Oil In The Coolant in reply to Chuck (CA), 04-01-2005 15:34:23  
what tractor and what engine ?? then check if it's got a oil cooler??



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Don-Wi

04-01-2005 18:13:21




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 Re: Oil In The Coolant in reply to Chuck (CA), 04-01-2005 15:34:23  
Sounds like it could be due to pitting of the sleeves in the water jacket, I forget the term for it. Happens in deisels because of all the vibrations. What model is it? First things I would check are bubbles in the radiator while running, and head gasket.

Donovan from Wisconsin



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JD4430

04-03-2005 19:29:15




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 Re: Oil In The Coolant in reply to Don-Wi, 04-01-2005 18:13:21  
its called cavitation, but usually the opposite occurs, the coolant leaks into the oil, the problem is more likely in the oil cooler



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Don-Wi

04-03-2005 20:49:28




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 Re: Oil In The Coolant in reply to JD4430, 04-03-2005 19:29:15  
Those little Fergie's don't have oil coolers, so that aint a possiblity. I've heard it can go either way, I've never experienced this problem myself. If it happens higher up in the cylinder, the compression would force any gasses and oil into the water jacket. If this is the case, one would see bubbles in the radiator when running.
Donovan from Wisconsin



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Chris(WA)

04-03-2005 05:15:20




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 Re: Oil In The Coolant in reply to Don-Wi, 04-01-2005 18:13:21  
Don, The word you want is cavitation. Usually it will cause combustion gasses to blow into the water jacket not cause it to lose oil but that is not impossible. Chuck, Has the tractor been sitting all winter? Condensation may have built up while it was sitting and now that you warmed it up for the first time it evaporated . That can cause a loss of oil level. I had very milky oil and a high oil level in mine this spring. Worried the bejebers out of me. Changed oil and so far so good!

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Chuck (CA)

04-03-2005 07:26:29




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 Re: Oil In The Coolant in reply to Chris(WA), 04-03-2005 05:15:20  
Well, no, that wasn't the case. I live in Northern California and the winters are fairly mild here and I've been using it off and on throughout the year. Thanks for the suggestion though.

Chuck



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Chris(WA)

04-03-2005 19:46:48




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 Re: Oil In The Coolant in reply to Chuck (CA), 04-03-2005 07:26:29  
I missed the part where you said you HAD found oil in the coolant.Not water in the oil. Sorry to hear that one. I have a diesel truck in my yard with the same issue. She will get oily after you run her hard. Put a radiator pressure tester on the radiator and monitor the coolant pressure. If you are getting combustion gasses into the cooling system the pressure will go sky high. Plain oil into the cooling system could be just a head gasket. Tough to diagnos with out tear down.

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Chris(WA)

04-03-2005 19:46:43




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 Re: Oil In The Coolant in reply to Chuck (CA), 04-03-2005 07:26:29  
I missed the part where you said you HAD found oil in the coolant.Not water in the oil. Sorry to hear that one. I have a diesel truck in my yard with the same issue. She will get oily after you run her hard. Put a radiator pressure tester on the radiator and monitor the coolant pressure. If you are getting combustion gasses into the cooling system the pressure will go sky high. Plain oil into the cooling system could be just a head gasket. Tough to diagnos with out tear down.

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