ARB rear locker - damaged lock pin

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Joined
Oct 11, 2018
Threads
6
Messages
14
Location
Utah
Ran in to this today trying to swap out a driver side rear fj40 axle that was installed on trail after a break. The first set pin was set in pretty stiff but came loose, then went on to the next pin and the head has cracks and the 5mm hex wrench fits in loosely. It seems like this pin is faulty. It has been backed out a set a few times swapping axles but now I’m stuck. Has anyone experienced this?

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I'd say poor heat treatment as in someone forgot to anneal or harden it, a file will tell you. I'd be asking ARB about the defective unit.
 
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