Rattling in the front end

My 97 aurora has a rattling in the front end. It only rattles as you make right hand turns. If the engine is running the noise is louder. I can repeat the noise by rocking the car from left to right. The noise is not as loud though. If I push the car up and down then it won't make a sound. Any Ideas?

tie rod ends, controller arm, shocks, struts, u joints, maybe even an issue with a loose lug nut. does any of the sound come from near the belts under the hood?

It sounds like something metal hitting the fan but it is coming from underneath the car. I have soaked the controll arms and eveything else with white lithium grease and I still have it. I believe it is the half shafts.

Do you think its possible that anything has been dropped in there or somthing that may be causing the rattling. Maybe a socket or somthing, I have a buzz I believe from a little peice of plastic I dropped down there, unsuccessful finding though.

check the engine/tranny mounts. when turning the engine may actually shift to one side. i had a similar issue and found a bulletin relating to the engine mount behind the top of drivers front wheel