The shaft came apart from the hub,when i was fixing u joint which was a surprise.I didn't know they were separate Can it really be put in backwards? I jacked up car again,held wheel at 12 and 6 and shook it. It did have a little play. The other side same thing. This rumble strip vibration seem to start soon after I changed u joint which looks good. and I'm very proud of. Thanks to the good people on this forum. Is it possible to put axle back on hub backwards?