Quote:
Originally Posted by grumpysnapper
Yeah, I dont think the internal shaft rattles against the casing as such, but vibrates through the oil seal, then through the first shaft joint. In other words the internal shaft is the actual cause of the vibration, and the sum of the other attached parts are designed to mitigate the vibration on a standard system.
When any single part of that system is compromised from standard, the whole shift system vibrates/rattles.
The engineers even added a "shift lever damper" into the first connecting joint structure.
That said, my first joint doesnt have the play in it that NoHaveMSG has, on mine (and others I've played with) the shaft rod end moves within the seal. But it is possible that most of the boxes I've looked at are fairly low km units (mine included).
I've tried a couple of versions of the soft washer idea, and it doesnt really work too well. I've also tried the opposite idea of (very) hard packing the washers...and that didnt work either.
I also tend to agree that drilling out the entire bush on the first link (below the gear lever), and replacing it with a flexible liner of some sort might be the best option....but very difficult.
I've even considered attaching small containers 3/4 full tungsten (granules) to the main shift control shaft to see if that might dampen the vibration....
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I'm gonna suggest you pull your console out and drive the car with the shifter exposed. That way you can reach through the shifter hole to feel things. Assuming you can get your hands in there.
I'm not really convinced you can replace the bushing with something soft enough to be quiet but still function properly. If you could machine an Oring groove in the bushing, that would be ideal. The Oring would prevent rattle while yielding to shifter actuation. I have my doubts that will be possible though. Have you tried wrapping the shift arm joints in something elastic that will allow them to finding, but hold them right enough to not rattle?
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