Right front clatter type rattle

My 2005 Rubicon Unlimited has developed a annoying rattle at low speeds. It is real bad when turning left, the sound seems to come from the right front. I jacked the front and checked u-joints (both sides) they seem fine. I also checked for loose shocks. I tried holding the brakes slightly to see if it was pad rattle. What else should I check? I do not think it is serious but we are planning a long trip into the snow country and do not want problems. These type noises drive me crazy if I do not know the cause. Thanks for all the useful info this group provides! Don