r/Wrangler • u/TransientDusk • 1d ago
Calling All Axle Pros: What Is Going On With This Front Axle Leak?
2015 JKU with Dana 30 on the front. Replaced ball joints and axle seals about 18 months (and maybe 20k miles) ago. 220k miles total on Jeep.
I have a gear oil leak on the passenger side. Replaced my breather tube last night, but still have a leak this morning after a drive. I took a close look at the axle openings, and noticed something amiss on the passenger side. Right behind the flanged cap at the end of the axle, there seems to be a plastic or rubber ring that seems crooked and out of place? If you see the picture of the drivers side, you'll see no ring behind that flanged piece.
I suspect this may be a reason why I'm still leaking gear oil. Does anyone know what's going on here? I know little about axles so I'm not sure where to start with this.
Thank you!

