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Old 02-19-2011, 10:24 AM
lmsport lmsport is offline
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Its an educated guess. My only suggestion would be to run your finger along the face of the gears and see if you can detect pulled metal at the gear contact surface. Gears have a minimal heat treat to keep them ductile enough to survive, so once you wear through the heat treated outer layer, they wear very rapidly. Especially under significant load like trailer pulling or in a heavy vehicle.
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