My 09 does this as well for the past 1-2 years, only when turning left and coming from passenger front suspension. Replaced both front sway bar links and the sway bar bushings. Still have the noise, no change from doing those. Have lived with it since, this winter will finally put on all new struts and upper strut mounts. After that out, I'm out of ideas and seems lots of RLs have this issue.