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How to Rebuild Dana 70U

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Old 06-10-2007, 05:37 PM
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How to Rebuild Dana 70U

Anyone have a link to a site with instructions/specs on how to install new bearings in the Dana 70 rearend?
Old 06-11-2007, 03:59 PM
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You should have a regular Dana 70 The only time I have seen a 70U is in a 1st gen (89-93) Randys Ring & Pinion should help.
Old 06-13-2007, 01:41 PM
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If 32 spline axles it is a 70U.
I believe autos had the 70U.
With trucks having miles etc on them, a good rule to follow......
Pull the axle and count the splines, then you know for sure.

32=70U

KO
Old 06-14-2007, 04:45 PM
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Thanks. It was a 70U behind the automatic. New bearing install was simple (and much overdue, the larger pinion race & bearing was very pitted), no changes had to made to the shims.
Old 06-15-2007, 12:40 PM
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If LSD...was it a Power lok, or a Trac Lok?
My D70 is a power lok... trying to discover if I am blessed with an odd ball (better) limited slip or if Dana 80's are only ones that went to the Trac Lok in all their axles.

RJ
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