If the fluid change didn't help, then yeah.. time for a rebuild. You can always try a heavier fluid, too.
In a synchronized transmission, the rings must match speeds/slow down and mesh in order to lock in a driven gear ratio. The transmission fluid, aside from lubricating and cooling the internal parts, also serves to slow down the synchronizer rings between shifts, allowing them to mesh smoothly. The fluid, which contains friction modifiers and is a multi-weight oil (just like engine oil) needs to be changed at specified intervals (just like engine oil). So.. a heavier fluid will slow the synchros down to matched speeds quicker, resulting in smoother shifts.
Quote:
Originally Posted by MR2 Drifter
its gonna cost u alot of money, and its worth it because I know that nobody with an mr2 wants to be caught in a red light and along comes a honda and then he heres you grinding n laughs
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I think it's worth it because a functional gearbox is a lot more fun to drive than a broken one. Not sure what stop light racing morons in Hondas has to do with it, but hey.. whatever tickles your fancy..
