I've been in the car biz for 27 years, and have never seen anything like this. It seems to me that there is a concerted effort on someones part to take Toyota down.What say you?
It's probably a bad universal joint. The hub has to be removed to replace it, not easily done unless you know the secret. More than likely you need ball joints too. If you don't have really good mechanical skills you might want to go to a pro.