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This is a interesting discussion. If the inner seal fails and oil goes pass the seal into the shaft, with more oil being pumped in, wouldn't all of that oil drain out to to crankcase at some point? After all, the oil being pumped in there has to be draining back out at some point. And with a steady flow of clean oil, wouldn't that eventually mix with the oil in the shaft to prevent any oil from catching on fire? Very good questions posted here.
Some have debated that the inner seal was in some case left open or was suppose to be left open so oil could be the source of lubrication. So if new oil is getting pumped in there, does that help flush out old oil? Don't know if it can go out the other side. Someone who has seen the shaft and how it works should be able to answer these very good questions.
By the way is this making a case for the solution which has no bearing our seals? Our does the solution operate in a way that no oil gets in the shaft?
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