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milky engine oil

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scott taipale

08-13-2007 13:54:23

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I looked at a farmall a yesterday that has milky white oil coming out of the check valve. Would that be water coming in from the rust holes in the manifold? We turned it over with a plug removed and water shot out. The oil was still rather thick so I don't believe it was coolant. It has been a few years since our m has antifreeze in the oil but I seem to remember that it was thin and dis colored.

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Karl Hamson

08-13-2007 18:15:23

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Re: milky engine oil in reply to scott taipale, 08-13-2007 13:54:23

I had a similar problem, coke can and all. Turned out that there was a hole in the top of the muffler and rain filled up the crankcase that way in spite of the exhaust stack being covered.

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abk

08-16-2007 08:17:21

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Re: milky engine oil in reply to Karl Hamson, 08-13-2007 18:15:23

Yea I didn't think of the holes in the exhaust, because the M I bought, the guy put a nice shiny chrome exhaust pipe on it before he sold it.. I probably paid through the nose for that 'upgrade' :)

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El Toro

08-13-2007 15:01:09

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Re: milky engine oil in reply to scott taipale, 08-13-2007 13:54:23

All those sparkplugs should be removed and the engine spun over to get rid of the water. It could be just rain water. I would squirt or pour some clean engine oil into each hole then crank over the engine to coat the cylinder walls.
Then add a little more oil. This keep the pistons from getting stuck. I would drain a little oil from the pan to see if has water. Hal

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scott taipale

08-13-2007 14:30:15

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Re: milky engine oil in reply to scott taipale, 08-13-2007 13:54:23

I was told that the tractor was running when the man bought it at an aution a few months ago and the oil was milky then.

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Randy in NE

08-13-2007 14:19:41

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Re: milky engine oil in reply to scott taipale, 08-13-2007 13:54:23

If you had water come out of the spark plug hole there is a good chance that that is the source of water. However, the oil is not going to turn milky without running/mixing the oil and water together. If the water entered through the manifold into the cylinder into the pan then the water would settle out at the bottom of the pan and drain out of the drain plug first. The engine would have had to have run at some time in the past to mix the two. The same is true of water leaking into the transmission/rearend. You would want to get all of the water out of the cylinders, change the oil and filter, and then the tractor for awhile to see if you get water in the oil again. You would want to make sure that the radiator/block is full. You would probably need to let the tractor sit a couple of days to see if anything is leaking in from the coolant side since the cooling system isn't pressurized on the A.

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abk

08-13-2007 14:00:37

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Re: milky engine oil in reply to scott taipale, 08-13-2007 13:54:23

I had the same problem with my M and the solution for me ended up being very simple: I got rid of that doohickey at the top of the exhaust pipe that flaps open, cut a coke can in half and covered the exhaust pipe with that. No more water in oil.

Many people in this forum have reported actually observing how the exhaust flap actually _redirects_ more rainwater in your exhaust.

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Patrick Martin

08-13-2007 16:42:03

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Re: milky engine oil in reply to abk, 08-13-2007 14:00:37

Methinks you need to park your tractor in the barn, garage, under the eve of your house, tarp, or somehow cover your tractor "IF" you can help it. Any machine needs to be protected from the elements. Water in the cylinders is just the tip of the iceberg of annoyances that can occur. Your electrical system will corrode and short, your gauges will collect condensation and fail, belts will deteriorate, rust will eat the sheetmetal, etc.

Additionally if you are getting allot of water in through the exhaust even with the rain flap closed then your manifold is gunked up with corrosion.

There should be two to four drain holes at the base of the collector casting. This is where all four of the ports open up to one. Unscrew your exhaust stack and look down into the manifold, you'll probably see flaky rust. Get a chisel or needle gun and get all of that mess out and then drill out the 2-4 drain holes. Coat the inside of the manifold with dry molybendum and you'll kiss your rain problems goodbye. You still ought to store it out of the weather IF you can help it though.

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