Oops. I forgot to mention I have replaced the driver axle. I knew it was bad because all the grease leaked out of the inner boot. I thought for sure that would fix it and it had no affect. I have 162K on the clock and my pass. axle is still the factory one. The boots are crack/tear free and when I changed the oil last night I tried to wiggle the axle to see if there was play and it seemed rock solid. Should I just replace it on faith? lol