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Old 02-20-2011, 10:31 AM   #1
sLvr325i
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anyone ever rebuild

one of the LSD rear-ends. if so what did it cost you?
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Old 02-20-2011, 10:54 AM   #2
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My mechanic tells me that it takes 8 hours to set up the diff properly after you have it all back together.
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Old 02-20-2011, 11:41 AM   #3
Bullet Ride
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Did a quick google search and found some info here
http://www.e30performance.info/viewtopic.php?f=22&t=939

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My mechanic tells me that it takes 8 hours to set up the diff properly after you have it all back together.
It takes longer to put a diff back together when you are replacing the gear train because you need to take care to check the lash and contact specs. However if just rebuilding (i.e. seals, clutch disks, and bearings) just take it apart and put it back together with new parts using the stock shims and everything should be set up properly.
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Old 02-21-2011, 01:21 AM   #4
MaxBell
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8 hours!?!?!? I feel like that is a gross exaggeration.
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just letting this furom [*forum] know
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Old 02-21-2011, 06:17 AM   #5
dcramer
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and you need the right equipment. The problem is getting the lash correct. Now I guess if you mark all the shims and put it back exactly as it was.
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Old 02-21-2011, 10:06 AM   #6
DR.ZED
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I applaud the effort to try this yourself. For $100 - $150 you can grab a higher diff ratio LSD on this board. I just got a 3.73 LSD for $100 and prior to that a similar ratio LSD was on sale for $120. Grab it once you see it otherwise it'll be sold.

I've had experience with setting up gears in a GM 8.5" 10 bolt rear end and its not fun. Its hours of painstaking work and even then you're not guaranteed success. Even the pros shudder at this.

It reminds me of my recent CV boot replacement. Its just too dirty and demanding of a job to do properly and cleanly. I'll leave it to the experts next time.

However, gotta try once!
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Old 02-21-2011, 10:10 AM   #7
DR.ZED
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8 hours!?!?!? I feel like that is a gross exaggeration.
Perhaps not. It could reasonably be a full day exercise.
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Old 02-21-2011, 10:12 AM   #8
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Perhaps not. It could reasonably be a full day exercise.
Assuming you have the equipment and you have a clue. And as you say you are still not guaranteed success.

This is an area for the pros.

Dave
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