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Old 11-29-2020, 09:09 AM
conehead conehead is offline
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Join Date: Apr 24, 2006
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Dana 60

The rear axle on my 87 J20 tends to leak differential fluid out of the wheel hubs. When I took it apart I was surprised to discover there are no inner axle seals around the axle shaft inside the pumpkin like on other axles I've worked on. This allows the differential fluid to travel down the axle shaft housing and dump into the outer wheel hubs. Is this normal? It mixes with the wheel bearing grease and leaks out. I've found some diagrams for the axle and it looks like there never were any seal in the axle tube, the only seal it shows is an wheel bearing seal on the back of the wheel hub.
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Old 11-29-2020, 12:48 PM
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J20 project J20 project is offline
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Uh, those outer axle bearings are live lube from the center. No axle grease. If your seals on the inner part of the hub are bad...a) they are bad or b) the inner edge(seal surface) of the hub is bad.

J20
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Old 11-29-2020, 02:09 PM
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Simo Simo is offline
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x2. that is normal for a full-floating axle like most rear dana 60s (no axle seals in the differential). The gear oil also lubricates the wheel bearings. If oil is escaping down the hub then inspect and most likely replace the wheel seals as necessary.

Last edited by Simo : 12-04-2020 at 09:59 AM.
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Old 11-29-2020, 05:38 PM
Bob Barry Bob Barry is offline
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X3. This is what led to that wheel hub video I just made.
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  #5  
Old 12-02-2020, 09:59 AM
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tgreese tgreese is offline
 
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Are the gaskets for the axles available anywhere? When I did the brakes on my J20, I bought some Ford D60 gaskets and they are different. The originals are aluminum or some other metal, and I reused them with some RTV. No leaks, but new would be better.
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Maine beekeeper's truck: '77 J10 LWB, 258/T15/D20/3.54 bone stock, low options (delete radio), PS, hubcaps.
Browless and proud: '82 J20 360/T18/NP208/3.73, Destination ATs, 7600 GVWR
Copper Polly: '75 CJ-6, 304/T15, PS, BFG KM2s, soft top
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  #6  
Old 12-02-2020, 10:50 AM
fsj454 fsj454 is offline
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Dana 60 rear axle gasket

www.quad4x4.com has them . Part number QU30051
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1982 cherokee nt. 454. nv4500 .205. dana 60 f+r. twin stick.hydroboost.hydrolic clutch.rock ram.traction bar.warn 12000 winch.4 wheel disc.flip kit.soa.high steer.cross over steer.4.56 detroit locker.35 spline rear alloy axles. 37s .1990 grand wagoneer aka trusty rusty
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Old 12-03-2020, 06:02 PM
Bob Barry Bob Barry is offline
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I got mine from Torque King (same part #, it looks like):

https://torqueking.com/product/30051...r-gm-and-jeep/
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Old 12-03-2020, 07:48 PM
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J20 project J20 project is offline
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Still puzzles me to see folks run around in circles trying to find unobtanium. Dana 60 has been around fir 60-70 years.


J20
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BP Drivetrain...........

Driveshafts for all Jeeps, Constant velocity rebuilds, Replacement, Repair
775-537-7918

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Putting this back up. "Someone is gonna have to crawl under the rig"
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  #9  
Old 12-04-2020, 12:39 PM
fsj454 fsj454 is offline
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BOB

Same company.
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1982 cherokee nt. 454. nv4500 .205. dana 60 f+r. twin stick.hydroboost.hydrolic clutch.rock ram.traction bar.warn 12000 winch.4 wheel disc.flip kit.soa.high steer.cross over steer.4.56 detroit locker.35 spline rear alloy axles. 37s .1990 grand wagoneer aka trusty rusty
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  #10  
Old 12-05-2020, 05:39 AM
Bob Barry Bob Barry is offline
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Quote:
Originally Posted by fsj454
Same company.

Indeed it is!

No wonder the part # was the same...

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