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Replace the rear main seal from inside the engine? How in the heck did anyone do that? The seal is in a stamped metal carrier that bolts to the back of the block, over the end of the crank, where the flywheel bolts on. I have replace it a time or two, and I cannot even picture in my head how you would fish that thing out from inside the block! It really isn't as nasty as it sounds to replace that seal. Follow the I&T instructions for splitting the tractor, remove the flywheel (it's heavy!) and remove the 5 (I think - it's been a while) 1/4" bolts that hold the seal carrier to the block. Two of them actually bolt through from inside the engine, you will see the threaded places on the carrier. A common source of leakage is when these little bolts are overtightened, distorting the rather thin metal seal carrier. I had to pound the mating surface of this thing straight, since it wouldn't seal up to the back of the block, it had bulged out where the bolts had been cranked down. A new seal and a new gasket for the seal carrier were about $15 at my Massey dealer. I also used some gasket sealer just to make sure... Putting it all back together is pretty easy, the only tricky part is getting the tranny input shaft aligned with the clutch plate. Also, remember that there is a thin sheet metal plate that covers the bottom part of the bell housing. I've bent it more than once forgetting that it's there... Good luck! Larry
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