[Farmall] 1946 farmall M top gear problem

[Justin Weber]

Jumping out of 5th can be caused by several things:

Broken detent spring
worn detent ball
worn shifter
worn shifter rail
bad input shaft bearings
bad mainshaft bearings
bad input shaft
bad main shaft
bad 4th & 5th slider..

Just alot of variables that need to be looked at, and basically the 
transmission cover needs to be removed to begin to determine what is 
wrong.  I've been thru several H & M transmissions, and if the gears and 
shafts are good, it is best to replace the main shaft and input shaft 
bearings, detent balls & springs, and the gear shift swivel shafts while 
it is down.






Matthew Gray wrote:

>I have a friend that has a farmall M that jumps out of topgear, any suggestions, he has got in there, and was wondering if there was a common problem. ie selectors bend? the spring and ball fall out?
>
>any suggestions would be great, I haven't seen it yet, never had much to do with the M
>
>matthew
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