Hello all, I have a 97 zj 4.0 I was getting a knock in the bottom end did the screwdriver to ear test and the noise was definitely in the bell housing. I slid the transmission back far enough to get the flex plate out and there are no cracks that I can see, but all 4 holes where it bolts to the tourqe converter look messed up I posted a pic. The bolts didn't seem loose when I removed them so do you think this is what's making the noise? Any info is appreciated thank you