Begin the brake job by putting the car up on jackstands and removing the wheels. Then, loosen the two Allen-headed caliper mounting bolts, and remove the disc-brake caliper. If you lift off the brake caliper carefully, the brake pads will remain in the caliper and come of as one unit.
Pry off the spindle-nut dust cap, remove the cotter retaining key, then loosen and remove the spindle castle nut. Afterward, remove the outer-wheel bearing, then carefully pull off the old disc-brake rotor. Wipe down the spindle, removing any old grease and/or built-up dirt deposits.