What centers the drum to the hub on these models? Does the drum flange fit into a machined recess on the hub......or does it rely on the bolts for centering.
OE they are swaged/staked on the stud shoulders, but that ain't going to change cold to hot, out of whack is out of whack.
But, if the stud shoulders weren't cut down correctly, there may be stress/deformation where the wheel has them pinned against the flange.
