I didn't. I don't think that's it because tightening the skid plate made no difference.

But since it worked for you I'll give it a shot next weekend.

Mine seems to be going away, but now the rear trailing arm bushings are squeaking.

FYI, I tightened up my front skid plate and the creaking went away.

i think i found my creeking problem
http://elcova.com/groupee/forums?a=tpc&s=2826088551&f=2606011751&m=937105249