I had a look at the ball joints. When I grab the tire and turn it back and forth, it makes the same sounds. Is that a sign the ball joints are going?? Is it hard to replace them yourself, or should I take that job to a shop??

__________________
All it takes for evil to prevail is for good men to stand by and do nothing.

Too many people tip toe through life, never attempting or doing anything great, hoping to make it safely to death... Bob Proctor

'95 S320 LWB
'87 300SDL
'04 E500 wagon 4matic