Q: front driveshaft spinning?

[sherpaJL]

Can someone verify if the front driveshaft spins while in 2WD. (22 JLUR 3.6 Auto)
I'm chasing down a driveline vibe between 60 ~ 64 mph. 300 miles on the odometer.
completely stock
Thanks

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[oldcjguy]

should not unless your FAD is stuck engaged. (Assuming you don't have full time 4wd transfer case. Those work different and I have no experience with them)

Put a piece of tape on the top of your shaft and drive forward a bit. It should still be on top when you stop

 

[Old Jeeper]

should not unless your FAD is stuck engaged. (Assuming you don't have full time 4wd transfer case. Those work different and I have no experience with them)

Put a piece of tape on the top of your shaft and drive forward a bit. It should still be on top when you stop

Concur, FDS should not spin...unless its something new???

 

[CarbonSteel]

Unless FCA changed the design it should not turn. Test it by checking that it can be turned by hand when parked with the engine off. If it cannot be turned, then something is likely wrong with the FAD.

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