recently when i was driving with the windows down i noticed a loud rattlin noise. Getting someone to drive me with my head out the passengers window i have discovered its coming from the rear wheel area on that side. Its a loud rattling noise more noticeable over bumpy roads an i think more too when the weight is off that side ( eg turing left into a corner ). It still rattles on a sooth road but more so with the above. Ive had the car jacked up and cant find anything loose so im a bit confused to be honest! i know the wheel on that side is very slightly buckled and needs straightened but i dont think that is causing it. Any ideas anyone?