Q: All of a sudden my 2006 Cadillac STS stared squeaking loudly in the front end. Brought it to one shop who thought it was right front control arm and ball joint assembly bushings making the noise.

Brakes: my brakes started squeaking one day not long ago, but only did it that day (and I didn't do much driving that day). I know I should change my brakes right away when they start squeaking, but I ...