M210 front axle makes clunking noise

[Firestarter]

This randomly got much louder and made me thing I had something loose on my suspension. So I checked all my suspension bits and were all torqued properly, ball joints and tie rod ends are still tight. So I wiggled the driveshaft and voila, the noise that has been plaguing me for a month. I put it in 4wd and the noise went away. Could this simply be a FAD issue?

edit: 2021 (11/20 build)Rubicon with auto 19.5k miles.

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[Hootbro]

This randomly got much louder and made me thing I had something loose on my suspension. So I checked all my suspension bits and were all torqued properly, ball joints and tie rod ends are still tight. So I wiggled the driveshaft and voila, the noise that has been plaguing me for a month. I put it in 4wd and the noise went away. Could this simply be a FAD issue?

edit: 2021 (11/20 build)Rubicon with auto 19.5k miles.

On the Rubicon if it is like the rear, about a 90% chance it is going to be the slop in the E-Locker and that is considered normal.