I have a 2006 Focus with rear drum brakes. I had to replace the rear wheel bearings last year and found rear drums with the bearing already pressed in to be the easiest way to do this repair. Two sets from Adv. Auto went bad within several months and one was bad right out of the box. They were cheap and AA gave me no hassle returning all of them under warranty. I got another set from NAPA which look to be of much better quality. Now one of them is making noise. I am beginning to wonder if something else is wrong, like maybe a bent spindle. The drums spun smoothly when installed with no apparent binding. Maybe I need to spring for genuine Ford or Motorcraft parts. Any ideas? Thanks