Posted by Bob Bancroft on December 01, 2010 at 15:25:11 from (97.73.64.148):
This is neither antique, nor tractor, but I wanted to get exposure to as many opinions as possible. I have a CaseIH 1660 combine I have run for two small grain harvests and one corn harvest. It has over 5000 hours on it. It consumes a tiny amount of coolant. When parked it will occasionally leave a gob of gray sludge(typical of an anti freeze/oil emulsion) from the breather tube. Yet when I check and/or change the oil I get no sign of coolant. Is it possible I've got a crack or leaking soft plug in the head that leaks such a small amount up high only when running that it vaporizes? I've never seen anything like it. Any coolant leak into the crankcase I ever worked on was a sleeve, it wasn't tiny, and it didn't stop when the engine did. The oil cooler has obviously been worked on as there is no paint on it. I don't know if someone went after this problem, or what? Again, my experience is the much higher oil pressure in a leaking cooler will rapidly push into the cooling system, not the other way around. With the engine buried in its house up on top of this machine, I couldn't get it out of there in my shop if I wanted to. I am reluctant to start pulling the top of the engine apart blindly, only to find nothing and/or have to pull it anyhow.
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Today's Featured Article - Listening to Your Tractor - by Curtis Von Fange. Years ago there was a TV show about a talking car. Unless you are from another planet, physically or otherwise, I don’t think our internal combustion buddies will talk and tell us their problems. But, on the other hand, there is a secret language that our mechanical companions readily do speak. It is an interesting form of communication that involves all the senses of the listener. In this series we are going to investigate and learn the basic rudimentary skills of understanding this lingo.
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