Hate to disagree, but the only symptom I ever got from weak (and
broken) balk springs was difficult synchronisation. Learned to use
the throttle to synchronise gears pretty quickly. What I know of that
might kick the trans out of gear is misalignment (trans to engine,
though I don't have a good explanation of why it does this) or a worn
inner synchro hub (the part that the synchroniser rides on.) When
engaged, the synchro sleeve teeth engage the hub teeth (inside of
sleeve to outside of hub.) If the hub rocks on the mainshaft at all,
it will work the sleeve back onto the hub from the mainshaft gear.
But it is absolutely true that dismantling the critter will usually
allow the problem to jump out and grab you. They're quite simple and
easy to work on, especially with "the good book" (Bentley.) near to
hand.
Good luck, Dennis.
Donald.
> From: "Graham Stretch" <technical@iwnet.screaming.net>
> Date: Thu, 22 Jun 2000 22:40:46 +0100
>
> Hi Dennis
> It sounds to me like either the detent springs are weak, these are often
> over looked in the process of a rebuild, or the circlip on the front of the
> main shaft, though this usually causes a problem in second as well.
> The great thing about these boxes is if you know what you are looking at the
> fault will usually leap out to you when you open them up.
>
> Graham.
> 2500 PI MKII
> Sprinted Dolomite
> 2000 MKI
> Toledo
> 1300 Front Wheel Drive
> http://members.tripod.co.uk/TriumphIW/index.html
>
> ----- Original Message -----
> From: <dncullig@us.ibm.com>
> To: <triumphs@autox.team.net>
> Sent: Thursday, June 22, 2000 8:39 PM
> Subject: Transmission woes
>
>
> >
> > Fellow LisTRs -
> > Once again, I come looking for help. The J-type OD that I had
>installed in my
> > 76 TR6 this past May is acting up. It popped out of 3rd gear once or twice
>2 weeks
> > ago and I didn't think much of it. Now, however, it simply will not stay
>in 3rd gear.
> > It pops out regularly, even when under power. It'll stay in 3rd if you
>hold it in, but even
> > then you can feel it trying to pop out. None of the other gears seem to be
>similarly
> > affected. I'm going to take the tranny out of the car and am planning to
>take it back
> > to the guy who re-built it back in February, but would like to tap the
>collective wis-
> > dom of the list first to see what might be wrong. Any ideas and/or best
>guesses
> > are welcome. I'd hate to have to go back to my non-O/D transmission,
>especially
> > with a rather long trip to the VTR Regionals coming up in a few weeks, but
>I need
> > the car to be reliable. Thanks for any and all input.
> >
> > Dennis Culligan / 1976 TR6 CF57948U(O) - TR6IUMPH / Highland ,NY/
> > DNCULLIG@US.IBM.COM
> > See www.britsofthehudson.org for info about our club
> >
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