when you did the lift, did you put a cv shaft into the front, it maybe the cv joint, centering ball going out. other thing is the front axle gears going out due to a bad bearing in the carrier.....
can you give any other info, like does it seem to come from the drivers or passengers side more...
2013 JK Unlimited, 35 GY Duratrac's, AEV front bumper, Warn winch, Rancho 9000, RE 2.5" spacers for now.
2015 JK sport 2 door, stock
1999 TJ, 4" currie system, Dana 44's lockright's, 33" Mickey Thompson MTZ, warn winch custom front, rear and side rails. flat flares etc.
1994, YJ, 4" procomp springs, dana 44's lockrights, 33" BFG Mud's warn winch, and TJ flares
1987, YJ, 2" custom leafs 31" Cooper MT