Layshaft installation problems

Started by Coalhod, June 06, 2025, 09:53:03 AM

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Coalhod

Hello;  Not sure if anyone has had this happen but the layshaft I recently purchased is on a bind when installed about 3/4 the way into the gearbox.  I'm assuming it should turn fairly easily.  Inspection of the old one revealed a ridge where the bearing at the large end of the shaft sits.  The old shaft was on a bind also.  Maybe line bore the case? 

Andrew

MiniDave

#1
Is it the shaft itself, or the laygear you're talking about? If the shaft, are you sure you got the right layshaft? There are a couple different styles.....

I've never had one bind before, and I've done a bunch of these gearboxes of all different years. Highly unlikely that it's the case.....maybe give us some more details about what you're working on? You know, A or A+, rod change or remote, 3 synchro or 4.......that kind of stuff.
Complete failure at retirement - but getting better!

1972 Mini Racing Green
1972 Mini ST hotrod
2017 Audi Allroad - Glacier White - His
2018 Audi Allroad - Floret Silver - Hers

Coalhod

Dave thanks!  It's the shaft for an 1128 4 synchro remote gearbox.  I purchased a rebuild kit from MED which had all new bearings and gaskets as well as the layshaft.  When assembled the laygear turns fine.  I put a little grease on the gearbox journals, that helped.  I was mistaken the ridge is on the smaller end of the shaft.  I suppose it's ok the car ran on and off like this for 40 years I would have liked the shaft to turn a little more freely.