Re: slipping gears

Posted by carla on August 28, 1998 at 23:36:41

In Reply to: slipping gears
posted by Tom Miller on August 28, 1998 at 20:55:04

: While driving up an incline in 2nd gear, my 1930 Model A 4 door sedan, slips into neutral. I can prevent this by holding the gear shift lever, but I'm afraid I may have some serious problems developing. Can anyone offer any advice?
: Thanks!

hello,tom,

it's not all that serious a problem but it will take you a few hours to fix, cos on the old fords you have to block up the chassis frame and move the back axle back a bit in order to remove the gearbox.

when the box wants to jump out of gear, either under load or on over-run, the cause is wear on the gear teeth of the affected gear and its mating gear--- in the case of the model "a", the affected parts are the top and second speed sliding gear, and the second speed teeth on the countershaft (layshaft or cluster gear) cos the model "a" hasn't the synchro assemblyof the later models.

very likely, the problem with yours is compounded by a bad roller bearing between the first motion shaft (main drive gear) and the mainshaft, or wear in the bearing fits of the parts.--- this would allow the mainshaft to flop around a bit.

there's nothing for it but to pull the gearbox down and replace those pieces.

hope this helps

carla




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