Dana 60 axle seal leak
#2750552
03/09/20 07:09 PM
03/09/20 07:09 PM
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Joined: Jan 2005
Posts: 4,404
Michigan
MarkZ
OP
Worthy
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OP
Worthy
Joined: Jan 2005
Posts: 4,404
Michigan
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So, I went out to the garage last night to pull the cover off and hook the battery up. Looking under the car for Spring time leaks I found my newly rebuilt D60 was leaking on the passenger side. I had this entirely rebuilt by a local shop and installed it in the car assembled. There was some oil built up in the pad, so it must have started leaking right before I parked it last winter. Axle is a Ford unit that was full float I had regular Ford semi float ends welded on. Has an Explorer rear disc kit..
Never had one of these apart. Do you guys think this warrants cracking the cover, or can I get away with just replacing the gasket and seal on the outside? Thanks...
1987 Fifth Avenue - 512/518/D60
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Re: Dana 60 axle seal leak
[Re: MarkZ]
#2750778
03/10/20 03:40 PM
03/10/20 03:40 PM
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Joined: Dec 2004
Posts: 10,551
Rittman Ohio
fourgearsavoy
I Live Here
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I Live Here
Joined: Dec 2004
Posts: 10,551
Rittman Ohio
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Not exactly sure what a Ford semi float is but there shouldn't be any gear oil getting past the seal in the housing tube. What axles are in it ? Gus 
64 Plymouth Savoy
493 Indy EZ's by Nick at Compu-Flow
5-Speed Richmond faceplate Liberty box
Dana 60
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Re: Dana 60 axle seal leak
[Re: fourgearsavoy]
#2750825
03/10/20 08:53 PM
03/10/20 08:53 PM
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Joined: Dec 2014
Posts: 5,754
ohio
ruderunner
master
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master
Joined: Dec 2014
Posts: 5,754
ohio
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In the second pic it almost looks like the seal is installed backwards. Or at least seriously mishapened.
But, you might be looking at pulling C clips to get the shafts out, some Ford semi floater dD60 wrre set up that way. The Explorer brakes were from the 8.8 axle which definitely was C clipped.
Angry white pureblood male
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Re: Dana 60 axle seal leak
[Re: fourgearsavoy]
#2750970
03/11/20 11:51 AM
03/11/20 11:51 AM
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Joined: Feb 2014
Posts: 1,696
central il.
second 70
top fuel
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top fuel
Joined: Feb 2014
Posts: 1,696
central il.
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Not exactly sure what a Ford semi float is but there shouldn't be any gear oil getting past the seal in the housing tube. What axles are in it ? Gus I agree They might have over filled the unit. Check with Dr. Diff but I don't believe a Dana should have gear lube in the tubes.
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Re: Dana 60 axle seal leak
[Re: second 70]
#2750975
03/11/20 12:06 PM
03/11/20 12:06 PM
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Joined: Jan 2003
Posts: 13,351
Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,351
Marion, South Carolina [><]
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2 quarts is all it needs.
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
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Re: Dana 60 axle seal leak
[Re: an8sec70cuda]
#2751038
03/11/20 04:05 PM
03/11/20 04:05 PM
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Joined: Jan 2005
Posts: 4,404
Michigan
MarkZ
OP
Worthy
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OP
Worthy
Joined: Jan 2005
Posts: 4,404
Michigan
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Sorry it has taken me a couple days to follow up. By the time I get home and take care of family duties I'm lucky to get 20 minutes out in the garage working by flashlight.
I called Doctor Diff prior to pulling the axle out. The setup uses the black axles he sells that take tapered bearings that are lubed via the gear oil. No inner axle seals. Cass thought that maybe the shop boogered the seal when putting it together. Now that I got the axle out up on the bench in decent light the seal looks to be OK.
What I did notice is that there is no gasket on the housing end.
That is as far as I got. I'll update the thread when I get back out to the garage.
1987 Fifth Avenue - 512/518/D60
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