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Pinion Bearing/Race Revmocal Questions

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Old 08-19-2009, 10:09 PM
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Default Pinion Bearing/Race Revmocal Questions

Had a shop rebuild my rearend with all new bearings and seals. 3 months later and it's roaring again.

What is the EASIEST, and LEAST HARMFUL way to remove/install new races? I know a mallet will help with the removal, but I want it done right.

Working on a series III 7.5"...
Old 08-19-2009, 10:36 PM
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To get to the pinion races the entire rear end has to be taken apart. Driveshaft, wheels, brakes, cover, c clips, axles, carrier, pinion. In that order of course. Then when the center chunk is completely empty you beat the old races out and you need a bearing installer to push the new ones in without damaging them. (some people may beat on old races to push the new ones in, I dont) Then reassemble.
Old 08-20-2009, 06:31 AM
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Sometimes they will use an old bearing to hammer on to get the new races back in also.
Old 08-20-2009, 08:58 AM
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Gotta open it soon.
Old 08-20-2009, 11:09 AM
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I would have pulled the axles out and unbolted the brakes instead of pulling the brakes with the rear. You don't have to worry about bleeding them or the e-brake cable either. A lot easier this way.

Good luck with the project.
Old 08-20-2009, 11:53 AM
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Originally Posted by 01ssreda4
you need a bearing installer to push the new ones in without damaging them. (some people may beat on old races to push the new ones in, I dont) Then reassemble.
I just use a really long flat tipped punch, just like you'd use with wheel bearings. Never had a bearing failure in about 40 yrs. due to damage on installation.
Old 08-20-2009, 11:57 AM
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Recently I flushed my entire brake system, I believe it took about a full jug of brake fluid. The **** that came out of there looked like used motor oil. Since you broke the brake system loose, it would be a great excuse to do that. Start with the furthest from the master and work closer. So BR, BL, then FR then FL last. I flushed the reservior when doing the first one the back right. It took flushing it 2 to 3 complete times to get the fluid clean in it. I emptied it into a small container so I could see it as it got clearer. I had a friend push the brakes while I bled.
Old 08-20-2009, 12:03 PM
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Originally Posted by fleetmgr
I just use a really long flat tipped punch, just like you'd use with wheel bearings. Never had a bearing failure in about 40 yrs. due to damage on installation.
Not saying its not possible, I bought a very nice (for the price) bearing installer set with multiple (10) size inserts at HF for only like $25. I like having the correct tools whenever possible.
Old 08-20-2009, 02:45 PM
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No argument there, but my punch cost <$5. this is how it's been done by shops for 100 years.
Old 08-20-2009, 05:29 PM
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Originally Posted by 01ssreda4
Not saying its not possible, I bought a very nice (for the price) bearing installer set with multiple (10) size inserts at HF for only like $25. I like having the correct tools whenever possible.
I hate harbor Freight, but I'll check there tomorrow. Thanks.




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