Yeah I have slight tap too. Its actually covered up now by a bad pulley somewhere, pretty sure its the tensioner. I should have known to replace that when I did the water pump in August. If/once I do decided to rebuild the diff Im just going to give it to my local off road shop. Ever since converting the front diff to a u-joint Ive been worried about it. A song came on the other day while driving that sounded like a high pitch wine that got louder and louder. Scared me half to death haha.
99' WJ 4.7, 3.5" lift, Bilsteins, JKS goodies, 32" Guard Dogs on 16x7 4" BS Soft 8s