I can't believe it. Last week I had 4 new wheel bearings pressed into my 86 4KQ. This weekend, on the way home from the Maine Rally, my left rear wheel started humming again! I'm thinking Robbins gave me a bad bearing, NAPA screwed it up pressing it in or I screwed it up because I didn't torque the wheel nut enough (what is the proper torque Anyways?) Any other ideas? Thanks Tim