replacing end links solved 90% of my suspension noise going over bumps. Oddly, I was sure the noise was coming from the drivers side, but when I replaced them (always do pairs- {why don't they sell them pairs?}), the passenger side was much worse. The car has a knock when driving over potholes or rough terrain in general, but it is much better. It has over 160,000 miles so I think it would be very expensive to get it back to new. If you have a woody sort of knock going over bumps, sway bar end links are one of the first places to start.