rear axle pinion seal leak - d60. need to fix it...

Clutch, transmission, rear axle

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1971ford
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rear axle pinion seal leak - d60. need to fix it...

Post by 1971ford »

Out of no where my dana 60 in the highboy started leaking. It might be because of the sandblasting and they shot sand at the seal but i don't know.

Anyone know of a handy how-to on how to do this or if someone can walk me through it real quick? Just take an impact and take that nut off then just pull stuff out until i get at that seal or what lol
THis is exactly what i am talking about but they don't say how to swap the seal really
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-Ryan
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Re: rear axle pinion seal leak - d60. need to fix it...

Post by ScreaminZ »

Pull the nut and slide the yoke off of the pinion. That's all you gotta pull to get to the seal. (edit: just remembered that there may be a dust/rock shield on the yoke if somebody hasn't already trashed it). Then swap out the seal. I believe the D60 uses spacers instead of a crush sleeve for bearing preload, so you should be able to just run that nut back on with an impact. Ideally you should use a new nut, but some loctite on the threads on the old nut would probably be sufficient.
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Re: rear axle pinion seal leak - d60. need to fix it...

Post by 1971ford »

wow sounds pretty dang simple, Thanks!
-Ryan
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Re: rear axle pinion seal leak - d60. need to fix it...

Post by basketcase0302 »

Ryan,

You might want to have a jaw type puller around for the yoke too, they can be stubborn. :thup:
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1971ford
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Re: rear axle pinion seal leak - d60. need to fix it...

Post by 1971ford »

This is weird...
So it spontantiously had the leak and it was quite a few drips every couple hours and now it is not leaking at all what-so-ever :?
I've driven around town all day too. No leak.

Cool? :D
-Ryan
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Re: rear axle pinion seal leak - d60. need to fix it...

Post by Hemmi06 »

Is it out of fluid? I had a friends truck I borrowed that was leaking from the seal before I took it. After a short pull of a heavy trailer the rear end was growling bad. I asked if they had a leak and they stated, "it stopped". Ya, beause it was out of gear oil!!!
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Re: rear axle pinion seal leak - d60. need to fix it...

Post by 1971ford »

lol no

Actaully just before it stopped I topped it off. Its like adding more fluid fixed it.
-Ryan
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Re: rear axle pinion seal leak - d60. need to fix it...

Post by stembridge »

This just happened to me, too ('bout a month ago). Found a puddle of thick oil under the rear end back in the summer, and meant to add more lube but never got around to it... When I started out a couple weeks ago, the truck felt really sluggish (more than normal - 1969 F-100 Styleside with the 240 six and automatic), and when I made my first turn, I heard some chattering noise, that went from intermittent to fairly regular and louder within a mile.

Got it back home, and once up on the stands, the RR wheel felt really stiff compared to the other three.

My guess is that I've got a rear axle disassembly ahead of me, but has anyone had any success with bringing one back to life just by adding gear lube (and fixing the leaky seal)?

es
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Re: rear axle pinion seal leak - d60. need to fix it...

Post by 1971ford »

oops! Shoulda checked that fluid as soon as you saw a leak...

Fill it up and try it i suppose.
-Ryan
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