Posted: Wed Mar 19, 2008 10:37 pm Post subject: Differential rebuild,lacking the original tools.
After the success with the tranny and transfer,( Thanks for the help). Ive decided to do the rear axle bearings as well. I studdied the manuel( powertrain body and frame) M38. A few special tools required, of these I have a dial indicator only. I can handle everything ,but the pinion settings Im rather leary about attempting. Has anyone here done this job themselves? Thanks bucky
Joined: Nov 25, 2007 Posts: 56 Location: Marietta, Georgia
Posted: Thu Mar 20, 2008 7:13 am Post subject:
Bucky, I am working on it now (front axle - rear axle is next), although I am not changing out all of my bearings, mainly replacing seals. I am putting my front axle back together over the next few weeks and will post pics, etc. on my blog (see address in my sig below).
You will need a 0-1" micrometer to measure shims, and a hefty torque wrench to torque the pinion nut back on right.
My approach, if I were doing all of the bearings, would be to replace the bearings and put the shims back with the exact same thicknesses, then use gear marking compound (GM PART # 1052351) and the dial indicator to test and adjust from there.
Having said all of that, I haven't done mine yet ... just thinking about it a lot! I am sure that there are people that monitor this board that have done this 100's of times so I anxiously await their responses too! _________________ Troy Davis
1953 USMC M38A1 (Work-in-progress)
Rebuild Blog: http://troy-m38a1.blogspot.com/
Tdavis, Im from a little town called Lowden ,Iowa About 30 miles due east of Cedar Rapids. I call around and order the book tommorrow,clearly a valuable book to have. Thanks for the tip. Bucky
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