7. While separating the hubs from the rotors, three of the wheel studs literally fell out as soon as we touched them. Normally the knurling on the stud is designed to fail before stripping the bore of the axleshaft or hub into which it’s pressed. However, in this case the stud bores were completely stripped. Unless we wanted to get butch and tack weld new studs in, these hubs are worthless.