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brake leak? Differential leak? Both?

brake leak? Differential leak? Both?

WarEagle

Jeeper
Posts
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Location
Little Rock, AR
Vehicle(s)
Current:

'74 CJ5 - 258 I6, T14, Dana 20 TCase, Dana 30, Dana 44

Daily Driver: 2019 Volvo T6 XC60... Grocery getter...

Retired:

'81 CJ5 - 258 I6, T176, Dana 300, Dana 30, AMC 20
Alright, so I had the rear of the CJ on jack stands since Friday (about 4-5 days) and finally finished cleaning up the back and the changing the rear oil. New wheels and tires came in so I installed them in the back and went to install them in the front but noticed some oil that looks like it is leaking from the front differential cover. Fine, I was going to change the oil and replace the seal up there anyway but then I noticed a good amount of oil on the inside of both front tires... :confused:

I took off the front wheels and tires and looked around the front drums and hubs and can't really tell where it is coming from. I plan on getting under there and cleaning everything up and then letting it sit for a few days to watch and see if I can tell where exactly it is coming from but are there known culprits I should be aware of? Could the oil just be a symptom of the CJ being jacked up in the rear and left tipped forward for a few days?
 
IF the axle's vent isn't plug'd. Your axle seals are shot.
LG
 
Could it possibly be the axle seals? On the Dana 30 they are inside the tube near the diff, but with it tilted some fluid could have ran out. A good cleanup will tell more.
 
Seems like it's a no win when trying to track the leaks. Or should be say we are blessed with the opportunity of continual fluid research?
 
Out of curiosity, did you smell the oil? Are you sure it's gear oil and not brake fluid?
 

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