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leaking front Dana 30

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Old 06-02-2013, 11:58 AM
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Default leaking front Dana 30

Gear oil from the differential leaked out of passenger side of the axle. what could this mean? I was thinking busted inner seal (if that exist). I have a Spartan drop in locker. Sometimes when i turn left i hear metal on metal coming from diff. case.
Old 06-02-2013, 12:02 PM
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Also i noticed that it started leaking after i flexxed it out one time....
Old 06-02-2013, 12:04 PM
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Picture of where the leak is? Its kinda hard to tell where it is from the description.
Old 06-02-2013, 01:00 PM
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If the gear oil is coming out of the end of the axle onto the steering knuckle, then you are correct. You need to replace the inner seals in the diff housing. Not too hard of a job, it's moreso time consuming. No special tools needed either. Makes for a good saturday project.
Old 06-02-2013, 02:31 PM
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Originally Posted by mjackson92rs
If the gear oil is coming out of the end of the axle onto the steering knuckle, then you are correct. You need to replace the inner seals in the diff housing. Not too hard of a job, it's moreso time consuming. No special tools needed either. Makes for a good saturday project.
A long pipe about the diameter of the axle tube is needed to push the old seal out.
Old 06-02-2013, 03:07 PM
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the vent is on the pass side as well.
Old 06-02-2013, 08:08 PM
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Originally Posted by s346k
the vent is on the pass side as well.
What do you mean vent?
Old 06-02-2013, 09:18 PM
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the vent for the dif is on the upper pass side of the hog head. I misread your first post anyhow so it doesn't seem to make any difference haha.

if you have oil coming out of the axle tube it's prob from a different source.
Old 06-02-2013, 09:55 PM
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You've got a bad axle seal, install new ones.
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