I have an 03 Chateau on the Chevy chassis. Had the front shimmy very bad. Just replaced the front pads and had the rotors turned. Flushed the lines and added new fluids. No shimmy, no soft peddle, and stops great. I beleive the rears are pads and didn't replace them this time. I had the guys at my local NAPA do the work on the rotors and luckily I have friends in high places who owe me so they assist with the work and it took about 4 hours to complete.
Be sure when traveling downhills that you allow your tranny to do the job and apply brakes to slow you by 10 mph and the release. Have traveled the Cascades in a 33' Class A and my Class C and never had a problem with braking.
