cv shaft right inner was bad.
thanks everybody for your help.
Exact same thing that was wrong with mine. Passenger side tripot (inner) joint was all chewed up. Dealer had "fixed" a leaking boot under warranty, and here's what I think of their fix.
2004 Impala LS - got some mods sold!!!
2009 Subaru Impreza WRX STI
NAIOA moderator Still Imp'n, just in a different Imp.