i have an 05 4x4 hemi i know the ball joints dont last long on these, and i think mine are bad, can anyone tell me what are the symptoms of bad ball joints? how many does my truck have? are there just lowers or uppers and lowers, i dont think there are any in the rear, i haven't checked. im getting an alignment and im going to have them check the joints, the steering wheels is also not centering it's slightly to the left when im going striaght, any help is apprciated.