06 trailblazer 4/4 4.2 engine 67000 miles no front end work done except for alignment every year with state inspection Now i watch may03lt video on bumps and clunks and saw there was play in the ball joint and uca bushings. I checked my lower ball joint and there is little play in my lower ball joints both sides. Also play in uca both sides. My question is can there be some play in the ball joints or no play in the ball joints? I priced out to have the work done and it will cost upwards of 1200.00 dollars for upper and lower ball joints. I just want to know about the play good or no good? I have owned this trailblazer since new.