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Old 12-01-2010, 03:09 PM   #1
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Rear Diff Question

Where I am sitting now is that the case that holds the spider gears has broken in the rear end thus making the Jeep immobile. To fix this I either need a new rear axle or replacement parts for what broke. If I were to purchase an LSD for it that would eliminate the case that broke correct?

Any advice would be helpful.

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Old 12-01-2010, 03:24 PM   #2
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If you buy a complete, assembled LSD, yes it will have the carrier.

If you have an open diff out back right now a new, bare carrier runs around $70-80.

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Old 12-01-2010, 04:03 PM   #3
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I heard back from my buddy and he said everything is pretty tore up inside broken pin, gears ect. Do you know if the Dana 35 out of a XJ is the same?
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Old 12-01-2010, 04:24 PM   #4
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I looked and found that they are not the same, the carrier portion should be though. Next question is does the Detroit Truetrac take the place of the carrier? It appears that it should, anyone have a good place to purchase parts from? I found it on the internet for a 27 spline Dana 35 for $365.95. However I check some sites and they do not list it for the Dana is this true?

Detroit Trutrac for Dana 35 Rear Axle with 3.54 gears and Up
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Old 12-01-2010, 06:19 PM   #5
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Indeed the Detroit TT housing does act as the carrier.

When you're looking around at various sites the D35 is sometimes referred to as an M35, which means AMC Model 35. In regards to the guts as long as it lists M35 for your year Jeep: same thing.
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Old 12-02-2010, 05:12 AM   #6
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Also as a side note, XJ axle shafts are no where near as beefy as tj shafts are.
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Old 12-02-2010, 09:13 AM   #7
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Thanks for the help 4wd.com has it for about $400, I included a link to it below. Really just to make sure it seems correct, also any recommendations on a rear diff cover. Mine suffered a blow from the broken pin.

Truetrac by Detroit Locker and Other Jeep Parts and Jeep Accessories by 4 Wheel Drive Hardware-RH2
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Old 12-02-2010, 10:14 AM   #8
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Quote:
Originally Posted by jeepjones View Post
Also as a side note, XJ axle shafts are no where near as beefy as tj shafts are.
When talking Dana 30 and Dana 35c axles which are shared by the XJ and TJ, they're really identical in strength and swappable. The possible difference between them would pretty much only be if the shafts have or don't have the ABS tone ring.
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Old 12-02-2010, 12:57 PM   #9
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Originally Posted by Jerry Bransford View Post
When talking Dana 30 and Dana 35c axles which are shared by the XJ and TJ, they're really identical in strength and swappable. The possible difference between them would pretty much only be if the shafts have or don't have the ABS tone ring.
Well then I guess I've got some really beefy rear axle shafts then, the area where the seals and outer bearings ride are the same but the actual shafts are much larger in diameter in my TJ compared to the spare XJ shafts I've got sitting in my garage.

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