rebiulding rear diff

[fordman88]

me again! haha told yall i had a Lot of questions!! this one is about the rear ends. how do i go about checking the bearings in the rear diff? i got my first one apart and the bearings look good and so do the races in the housing ans on the third member, but how do i figure out how much play there is? the mechanics hand book (red one) goes into great detail on how to check the regular A banjo rearend bearings and how to shim and soforth. i dont see any kind of shim or where a shim were to go if i needed it, let alone how i would know if i needed it. it kinda seems to be a "non servicable" part! haha thanks again!! yall are helping me a great deal!

[spectria]

...but how do i figure out how much play there is? the mechanics hand book (red one) goes into great detail on how to check...

I hate to admit it, but I don't have this "Mechanics Handbook, (red one)" and I want one.

Anybody care to name it and tell me where to get it, Please?

Dave

[flatford39]

...but how do i figure out how much play there is? the mechanics hand book (red one) goes into great detail on how to check...

I hate to admit it, but I don't have this "Mechanics Handbook, (red one)" and I want one.

Anybody care to name it and tell me where to get it, Please?

Dave

Mac's in New York sells both the red manual & the green one if I remember correctly.

Tom

[Bob C]

I would get a copy of the Ford Service Bulletins, it tells how to service the rear end
and just about any other component on the A and AA.

[Boomer]

I believe the red manual he is referring to is the Les Andrews Model A Ford Mechanic's Handbook - Volume 1.

[rich29]

Hey fordman if you have access to a service bulletins book look on pages 413,545,556-57,564 and 576 this will explain shimming and backlash adj. plus more for the AA bevel gear rear

[fordman88]

yea i was reffering to les's books. i will see if i cant find something on the service bulletin here at the library after i get off of here.

all three of my AAs have the worm drive. the 28 has a lil diffrent case but other than that they are all the same.

[fordman88]

where might be the best place for me to find a copy of the service bulletins yall are always talking bout? bout how much will it cost? im sure it will be worth every penny either way! hahaha

[rich29]

Snyders model A parts. Cost 39.95 there may be other places like MACS or Brattons

[Bob C]

Bratton's has a paperback copy for $16.50.

[Brian T]

Hello Trevor,
The AA worm axle was a carry over from the model T , Snyder’s have a book on the worm axle repairs in the Model T section, not sure how informative it is , the service bulletins are a must have book, (softbound) but they have no overhaul instructions for worm drives.
If the bearings look good and the bronze gear is not badly pitted then myself I would clean and reseal it, gaskets and seals are available.