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Posted by: porsche735 Sep 15 2003, 10:56 AM

When teh engine and transmission are cool, everything shifts just fine. I have noticed, that as the transmission heats up, it gets harder to shift (mostly into the gears on the "bottom" of the selector (3rd and 5th). I have heard of others with this problem, but can't remember what the general "patt" answer is. Something tells me it is the ring and pinion depth, but I am not positive.

Can someone help?

thanks,
Chris

Posted by: SirAndy Sep 15 2003, 11:06 AM

when was the last time you changed "se oel" in your tranny?
is it a stock 901?
if the oil is old (meaning, you can't remember the last time it was changed), get the guud blue schtuff (swepco) and fill her up ...

Andy

Posted by: porsche735 Sep 15 2003, 11:09 AM

Brand new Swepco 201. It's not the oil....

Chris

Posted by: SirAndy Sep 15 2003, 11:22 AM

damm, that would have been too easy

sooo, something is expanding, either inside the tranny or outside alongside the shift-linkage.
do you have solid tranny mounts?

Andy

Posted by: porsche735 Sep 15 2003, 11:55 AM

Solid mounts. We just rebuilt the tranny and it shifted beautifully when first installed. However, we are getting a bit of a whine. Most we have talked to said it is normal, but I think it may be getting a bit worse which is why I think the Pinion depth setting may be off... But, I am not sure this could cause hard shifting.

Chris

Posted by: tat2dphreak Sep 15 2003, 11:57 AM

mine did the same thing... I replaced all of the bushings and things are MUCH better

Posted by: Neal Sep 15 2003, 11:59 AM

What bushings, the shift linkage or internal tranny ?, I have the same symptoms and I have new shift lnkage bushings.
Neal

Posted by: tat2dphreak Sep 15 2003, 12:00 PM

I replaced the linkage bushings....

Posted by: SirAndy Sep 15 2003, 12:05 PM

the whine is somewhat normal.
with the solid mounts, the shift-linkage does not have a lot of play and it could bind somewhere when everything gets hot and expands. that's the first thing i would check.

get the thing hot and see if there's any unsual tight spots in the linkage.

if that doesn't help, it's gearbox disassembly for dinner
Andy

Posted by: porsche735 Sep 15 2003, 12:20 PM

I have new bushings including a special bronze bushing at transmission.. I don't think it is anything external to the transmission as none of that has really changed...

Chris