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post #1 of (permalink) Old 04-11-2002, 10:49 AM
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dana 60 rear, lock-nut torque

I have a Dana 60 rearend, & took off the drum to check the brake-shoe linings. In doing so, I discovered that there is only ONE nut (hexagonal 2 9/16", not a "6 notch" nut) keeping the outer-bearing in place! (there is a small wedge, which friction fits into the key-way, to prevent the nut from loosening).

According to the manuals I've read, there is an inner
adjusting-nut, lock-ring, lock-nut. You torque the adjusting-nut to 50 ft-lb while rotating drum, back off the adjusting-nut 60 to 90 deg or so (so that the lock-ring will "mate" in alignment hole), & then tighten the lock-nut to xx ft-lbs (one manual states 65 ft-lbs, but that is for a 1 ton Dana 60 front axle. I never got a figure for a Dana 60 rearend locknut).

Since I only have 1 nut to work with, how should I install it? What I did was, tighten it to 50 ft-lbs, but I didn't back it off any. Then, I just put in the wedge in the keyway, to keep the nut in place.

Is the above OK, I'm concerned I don't have the locknut too tight to damage the outer-bearing.
I'm also worried that if this wedge ever came loose, the nut would come loose, then the tire/drum/axle could conceivably come loose during driving. There's about 1/4" left of threads on the axle-housing, so I think I could go & buy an additional adjusting nut & lock-ring. Question: Have any Dana 60's come equipped like mine, which have only 1 nut? This doesn't sound right, it needs the redundancy of the adjusting-nut, lock-ring, lock-nut.

Thanks for any help.
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post #2 of (permalink) Old 04-12-2002, 06:40 AM
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Re: dana 60 rear, lock-nut torque

howdy / thats the way newer dana 60,s are / that nut with the little lock is all you need / I never had one fall out / the only way it can is if the lock nut wears out from taking it apart to many times / if you set the pre-load right and the lock gets a good bite in the nut your all set / PRE-LOAD / snug it down tight and then back it off a little till you get a tiny bit of free play / do,in wheel bearings is an art form to get it right / not to tight not to loose / good luck and MOPAR TO YA ////////////////////////// DEANO
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