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Rod F.
05-19-2005 18:43:04
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Re: antifreeze in oil in reply to bolt5, 05-19-2005 16:52:00
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Hmmm, don't know about that O-ring. I think somebody's been hoping for a simple fix. That could happen on a wet sleeve engine, but all Ford diesel engines were either parent bore, or dry sleeve. I've not been into 8600's, but from what I know of Ford engine's, there are core plugs in the head (internally), that if rusted out will release coolant into the oil gallery. Beyond that, a leaking head gasket, or possibly a leaking intake manifold gasket would allow coolant into the cylinders, and drain down to the base pan. Those are the not so serious problems (cheap easy fix). It is also possible that one of the cylinders has been perforated into the water jacket, due to cavitation over time. This has been known to happen on some Ford engines. I guess the other questions are how cold is your climate, and how strong was the antifreeze? Hopefuly, you don't have a cracked block because of a freeze up. This could also occour if the exhaust wasn't covered, and water ran down the pipe, through an open exhaust valve, and into the cylinder. Those are just some speculative answers to your question. If you have a large amount of coolant entering the oil at a fast rate, then I would first pull the valve cover and check those frost plugs. Beyond that, you're just going deeper until you find the problem. Also, check and make sure that the tractor doesn't have an oil to water cooler of some sort. That's another canidate for leaking, although I have no idea if the 8600 was so equiped. Good luck. Rod
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