[Fot] Triumph 4 speed O/D's and Layshaft bearing failures.

[John Styduhar]

Glenn, are you saying that the layshaft bearing failure you described is
more prevalent when the tranny has an O/D or is it a general problem?
Thanks


On Sat, Aug 10, 2019 at 3:52 PM Glenn Franco via Fot <fot at autox.team.net>
wrote:

> Just finished another A Type Overdrive rebuild this afternoon. Next one I
> do I'm going to insist that the owner bring a spare 4 speed for parts or
> maybe 2.
> I very rarely find an overdrive transmission that the layshaft bearing
> next to 1st that hasn't walked and tried to escape the case through the
> thrust bearing. I have tried in vane to remove the laygear with one that
> ground its way into the thrust bearing and sometimes the case. I sometimes
> get the laygear out but in most cases the trans case with the laygear is
> sent to scrap.
> Does anyone have a solution, trick, special tool, to ease the laygear out.
> The normal way is to remove the small thust bearing with a magnet so you
> can tilt the laygear enough to get it out. I have even once resorted to a "
> Slugger Slide Hammer" and chain wrapped around the laygear to get it out.
> Didn't end well however.
> I did read somewhere that someone is using a tapered roller bearing on
> that end which would make more sense than the original design.
> Please advise
> Thanks in advance
> Glenn
> TR6, TR250, Miata, 47 MG TC For Sale, 73 BMW E10 2002 being restored
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