Quote Originally Posted by RGoessl View Post
...Took the brakes and rotors off and wiggled the hubs. Right one had a fair bit of play in it so I pressed in a new bearing but it still sounds just as bad if not worse. Left one had no noticeable play.
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I had a bad wheel bearing on one side that gradually got worse over time. Gave a fairly loud whup-whup (washing machine) sound at lower speeds and increased when turning to one side. However, there was no vibration inside, and there was also no movement when shaking the wheel. In fact, when I did replace it, I could only feel a VERY slight clicking of the hub in the knuckle. I was really surprised to find out that this tiny bit of bearing movement could cause that much noise, which was all eliminated when the bearing was replaced.

So, I'm wondering about that 'fair bit of play' you felt on the right side. Are you certain it was the hub wobbling inside the knuckle on a (really) bad bearing? Did you check the amount of play after the bearing was replaced?