So i got a nv4500 it makes a noise in 4th and 5th gear all outher gears are fine shifts good my transfercase is in neutral running amsoil. Just put new bearings and new updated shaft all synchronizers look good input shaft bearing looks good pretty much rebuild the entire transmission and transfer case before the noise put it in and still making the noise so where do I need to start looking for 4th and 5th gear chatter also when you go down the road and let off on the accelerator it makes a grinding noise almost like the snap ring in the transfer case is broke but that's got to Gillies updated shaft locking collar

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