This is exactly the problem I had with a newly rebuilt 5 spd about 2 years
ago. The whine, and then no 5th. I would stop driving the car right away,
as when I drained the tranny juice some balls from a ball bearing race came
out also. From what I understand, rebuilders do not understand the
big nut that holds the 5th gear set together should be extremely well
torqued and preferably pinned or welded as well. The factory should have
put reverse threads on this nut...but what happens it backs off (allowing
the 5th gear to walk away from its intended spot and start to whine) and
then if falls off and 5th gear walks far enough away to quit working. At
this pont I think some other things fall off, like that bearing, probably
contributing to hard shifting, etc.
I kept the tranny, figureing all the new synchors and most of the new
bearings were probably good, but for an economical short term fix I threw in
a used 5 spd. The 2nd gear synchro is notchy, but hey, all 5 gears work!!!!
Best Regards,
Jim
Chesapeake Virgina
67 pushrod 2L 5spd
>From: <efrisbee@charter.net>
>Reply-To: <efrisbee@charter.net>
>To: <datsun-roadsters@autox.team.net>
>Subject: 5th Gear Neutral problem
>Date: Tue, 14 Jun 2005 16:32:14 -0400
>
>Wow, just when I thought everything was 100% and all was well and good with
>the '70 2000s mechanicals, I started noticing that the car wasn't "feeling"
>right... first, the car jumped out of 5th gear twice on the trip home last
>Saturday, then it kinda felt like there was a bit of vibration coming from
>the tranny, especially in gear, finally I heard a kind of low whine sound
>coming from the tranny today, shortly after which, I had no 5th gear
>anymore. 1-4 were still working, so I continued on to work... and had a
>problem shifting into and out of 1 and 2... now, pulling into work, I found
>I had a odd rumbly whine... great... I *just* had this tranny in the shop
>when I rebuilt the engine for new bearings, new syncros and asked them to
>check the 5th gear, even giving them info on how to check and repair the
>5th gear if needed. I guess the old adage "If you want something done
>right, you have to do it yourself" continues to hold true!
>
>Maybe it's not a good idea to have a daily driver roadster... :(
>
>Eric
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