I also have an RX and have a noise coming from the drivers rear, possibly the bearing becuase it's a rotating sound only when turning right. If it was a bushing it would only sound when I hit a bump or go on a curb. I'm still trying to find a cheaper bearing then the dealers $300. I talked with some guys at NAPA Auto Parts and found a private reseller for $54. But somehow that didn't work out. If you guys have any suggestion, let me have them