Does it self heal if it happens? Assuming the cause is no longer there. Engines heat the gloop up and blow it out, does or can the gearbox do the same?
If it doesn't remove the water from the oil, is there any rules of thumb on how long it can be left?
If it doesn't remove the water from the oil, is there any rules of thumb on how long it can be left?

cold outside warm inside..........