For the labor involved, I'd go ahead and replace all 4 to save money down the road. The largest part of the labor, time wise, is removing the wheels, brake calipers, bearing/hubs. Personally, I'd replace the wheel bearings while I was in there, as they are chronically prone to failure. If you have 4 wheel ABS, or buy a new bearing set with the holes for the ABS, I'd suggest filling them with some high-quality grease at these points. Replacement for both the Ball Joints and the bearings are available made in USA. The best brand for replacement is a week-long discussion, followed by WW3. I, personally, use Moog ball joints in my shop, and have had good service from them. Federal-Mogul I believe makes the American made bearing I use. Check your brake pads while your there, as it's very easy to change them while you are going back together with it. For just changing the ball joints, I'd say 6-8 hours, but don't have my Chrylser book to look at for sure. I charge $60hr, so that's $360-$480 in labor, plus parts, where the ball joints, I "think" run around $52 for uppers and $80 for lowers, two each side. Wheel bearing replacement will add 2-4 hours, I'm guessing, depending on what type of rotors you have, and the bearings cost just under $200. If you need brake pads and rotors, this is the time to do it, if your pocket book can take it. :{ Otherwise, get the ball joints done, and you can come back to the bearings later if they feel ok and spin freely without any noise.....
