A: Loosen wheel lug nuts and raise vehicle on jackstands. Remove wheel and caliper, suspending caliper out of the way. Visually inspect disc for score marks and other damage. Use dial indicator to check disc runout. Check minimum thickness with micrometer. Remove disc and install new one. Install Brake Pads and caliper, tightening bolts. Install wheel, lower vehicle, and tighten lug nuts. Pump brake pedal to bring pads into contact with disc. Check operation of brakes before driving.