DANA 44 REAR AXLE UNDER A 99 TJ JEEP WRANGLER 4X4, DRIVE SHAFT HAS ABOUT A INCH OF BACK AND FORTH PLAY BEFORE ENGAGEING THE WHEELS, IT ALSO HAS A AUSSIE LOCKER IN IT, PINION HAS NO PLAY, INNER AND OUTER BEARINGS ARE GREAT, TEETH ARE AWSOME ON THE RING GEAR, UNSURE ABOUT THE PINION, COULD THIS BE A ISSUE WITH DEPTH OR BACK LASH, AND ALSO, IM THINKING ITS A SHIMMING ISSUE, BUT WHERE SHOULD I START WITH THE SHIMMING, THE PINION GEAR OR THE DIFF, YOU CAN SEE IN THE VID AND HEAR THE AUSSIE LOCKING CLICKING IN TURNS, BUT AT TIMES THE DERN DIFF ACTS AS IF ITS LOCKING OR JAMMING UP BC IN THE VID THE PINION YOLK WITH JERK DOWN TORWARD THE GROUND AND SOMTIMES EVEN HERE THE TIRES CHIRP, CLUNK HAPPENS WHEN THE DRIVER RELEASES AND ENGAGES THE CLUTCH, ANY ADVICE, BACKLASH? PINION DEPTH? ANYTHING WILL HELP GUYS....