Water in the oil

notjustair · Sep 22, 2015

Let's say a tractor has water in the oil - cavitation or a bad oil cooler or something. How long does the tractor need to sit so it will separate out (so you can crack the drain and check for it)? This is assimg that there isn't enough that the oil is very milky. Tractor isn't currently being used, but if it is started before I go to look at it I am guessing it negates the "crack the plug" test.

I'm looking at a bigger chore tractor and want to make sure it doesn't have stuff where it isn't supposed to be.

RalphWD45 · Sep 22, 2015

I really don't know how long you would have to wait! having said that, I really don't think it matters. If I found milky looking oil on the dipstick, I would remove the oil filter, and see if it was also milky. If it is milky, I would be certain that it had water present. sometimes a dipstick gets condensation on it, and needs wiped off, and rechecked.

rustred · Sep 22, 2015

if you have coolant leaking into oil pan there, the oil would be getting milky from running engine. this milky oil is not going turn back in to natural oil color overnight. if leak is there it will find its way to btm. of pan and loosening it will show water. the pump does not pick up oil at very btm. of pan and it depends where the drain plug is, compared to the oil pickup screen. even have seen where the oil will turn to new looking if it sits long enough like 10-20 yrs. pull the dipstick and it looks clean but when pan drain is opened the oil is all sludge at the btm. i would say if it has a leak the symptoms will be there.
a bad oil cooler will put the oil into the rad.

Gleanerk2 · Sep 22, 2015

Like a couple days dont ask me how I know but im fixing that engine now! Haha leaking injector cup

MikeinKy · Sep 22, 2015

I had a tractor a few years ago, that I let set outside a lot over the summer. One day I checked the oil and it was milky. I changed the oil and ran it until it got warmed up real good and changed it again and ran it a couple of hours and it was good after that. I guess it either had rain water or condensation. I friend suggested that it may have had water from setting outside. I got better at keeping my tractors protected from the weather and had no more trouble. My hint was that when I cracked the drain plug it was water instead of anti freeze that came out. A few years ago I had another one that was inside and when I cracked that plug green anti freeze came out. That one got a replacement engine.

guido · Sep 30, 2015

Hello notjustair,

Letting it stand overnight should be sufficient for cracking the plug test,

Guido.

guido · Sep 30, 2015

Hello notjustair,

Letting it stand overnight should be sufficient for cracking the plug test,

Guido.

Married2Allis · Oct 1, 2015

Bought a 460 years a while back that probably had never had an oil change. Drained the pan and 1/2 gallon of clear water came out before the milky oil started to drain. Years of condensation will do it.

Water in the oil

notjustair

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RalphWD45

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rustred

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Gleanerk2

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MikeinKy

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guido

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guido

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Married2Allis

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