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Jim in OH
06-06-2006 13:22:00
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Re: TO-20 Oil Problem in reply to Clint1, 06-06-2006 12:21:48
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It is pretty hard to pinpoint your problem without checking a lot of things, so here is a rambling (thinking "outloud") dissertation that might help. If in fact you did "use" a gallon of oil in three hours, there should be good indications of where it went. If you were burning it, it would be smoking like crazy. (consider that a gallon of oil with say using 6 or 8 gallons of gas is far "richer" mixture than even the oldest chainsaws and outboard motors... lots of smoke!) If it smokes, it could be a hole in a piston, broken rings, even unseated rings, etc. Check you spark plugs to be sure (fouling), but if you haven't seen smoke, this is probably not the case. Blowby could be the cause, but again, that much oil coming out the crankcase breather will make a BIG mess!... Other leaks on the engine will also make a big mess with this much leakage and be a clue as to the problem. What is left, is possible leakage inside the bell housing. While normally there would be evidence at the little drain (sometimes with a cotter pin) on the under side of the bell, this may be plugged and several quarts of oil could be lurking therein. This may also be evident by an oil-wet starter and eventually a sticky and/or slipping clutch. IF that is the case, it probably got there by a bad rear engine seal or a leak in the camshaft plug in the block (behind the flywheel). Finally, one last (low probabilty) possiblility: a specific head gasket failure could allow pressurized oil to seep into the coolant system. This would be evident by a well overfilled (a gallon in three hours?) radiator displacing the coolant and eventually oil. HOpe this helps.. Jim
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