Let's get this out of the way right now. This isn't a step-by-step instructional on how to replace a rear axle bearing, because so many different models use so many different means to hold the axles ...

Brake-rotor runout is a major concern on mid-year Corvettes, and owners often simply remove the trailing arms and have them rebuilt, having new bushings and rotors installed at the same time.

If you have disc brakes and you have to remove the caliper to get the disc off the spindle in order to get at the inner bearings, I think that you should inspect and pack them only under supervision ...