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Yes and no...
Posted by GregD (more from GregD) on Wed, 16 Mar 2005 02:59:02
In Reply to: Transmission parts question 3rd gear synchro, Moises, Tue, 15 Mar 2005 16:55:54
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Yes, there are 3 pieces in total in the synchro assembly (4 if you consider the gear too), the friction cones on each gear that face into the third component, the sliding synchro sleeve moved by the shift fork. The cones are clearly a wear item and $34 aftermarket sounds right. Whether or not the sliding sleeve needs replacement depends on how bad the cone got and how much grinding occurred. Comparing it very carefully to the same piece from 1/2 gears is a good way for the untrained eye to discern damage not otherwise apparent. In the C900 trans, these pieces were interchangeable. Typically the 1/2 one wears much faster than the 3/4 sleeve. From two gearboxes, I was generally able to make one nice one using the 3/4 sleeves from each. If you can post or send a high quality pic that would be useful. One more thing, if a lot of grinding occurred on third prior to teardown, the 3rd gearwheel itself may be damaged. Look at the tips of the little teeth revealed when the synchro cone is removed. So yes, there are three (or 4) pieces but no, they may not all require replacement.
posted by 193.128.2...
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