Differential issues at 15k miles? Whats up with that?

sideproject

sideproject

Been round the world twice.Talked to everyone once
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Drop some knowledge on me.

This is my 2020 JLU sahara with 15k miles. I am running 35" tires on 3" lift.
I heard a noise at low speeds that I thought was a sticking caliper. Turns out the differential was going bad and had excessive wear?
What might explain this so early in its life? Low fluid from factory?


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Might look on the JK/JL Forums. The JL went to a M200 rear rather than the Dana 44 in the JK. May just have been a defective bearing, but I see lots of selling of the M200, so assume many swapping in a Dana 44 or some other axle. Reason not your issue, wouldn't think.
 
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