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I have one leaking. Is it as easy as removing the yoke, and remove and replace the seal? Is there something about getting it back in the same place as not to disturb pinion depth?
Thanks,
JN

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Pull the yoke,replace the seal,so easy a caveman can do it.

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All good advise but make sure when you pull the yoke to look at the area that the seal rides the yoke.

It can be worn and need a sleave or to be replace and a new seal will not fix the leak if that is the case.

Must of the time it is just the seal just keep

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If the yoke is worn it can be turned down and have a wearsleave installed or just remove the spring from the seal and seperate it where it is joined and cut a 1/4" of the female side and re-join it making it a tighter fit.

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The assembly torque setting might not matter [except if too loose] if you're setting up a race-only differential, but for a street car rear you'll be better off to refer to the OE pinion nut spec for the one you're working on. Incorrect pinion nut torque leads to all kinds of gear/bearing noise as the bearing preload & gear backlash settings change over time. Typical pinion nut torque for a D-60 is about 250-275 ft-lbs. - a very "tight" setting, for a new assembly. However, if you are working with an existing differential setup the best approach is to measure the pinion rotating torque [prior to disassembly] and remenber to restore the setup to this rotating torque value after you remove the nut/replace the seal/replace the nut/torque it down. Experienced "rear" workers can sense the rotating pinion torque by their hands; other mechanics use an in-lb torque wrench to measure it. Both methods work well & will give you a better assembly!

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Walt,If the pinion was setup correctly,most Dana 60s use shims to preload the pinion to 20lbs in.this will never change.It's not like crush sleeves the are found in 8-3/4s and Spicers

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The assembly torque setting might not matter [except if too loose] if you're setting up a race-only differential, but for a street car rear you'll be better off to refer to the OE pinion nut spec for the one you're working on. Incorrect pinion nut torque leads to all kinds of gear/bearing noise as the bearing preload & gear backlash settings change over time. Typical pinion nut torque for a D-60 is about 250-275 ft-lbs. - a very "tight" setting, for a new assembly. However, if you are working with an existing differential setup the best approach is to measure the pinion rotating torque [prior to disassembly] and remenber to restore the setup to this rotating torque value after you remove the nut/replace the seal/replace the nut/torque it down. Experienced "rear" workers can sense the rotating pinion torque by their hands; other mechanics use an in-lb torque wrench to measure it. Both methods work well & will give you a better assembly!

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Walt,If the pinion was setup correctly,most Dana 60s use shims to preload the pinion to 20lbs in.this will never change.It's not like crush sleeves the are found in 8-3/4s and Spicers

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that is exactly right