A: To replace the brake disc, loosen the lug nuts on the front or rear wheels, remove the wheels, and disconnect the Brake Line. Next, plug the brake line banjo fitting with a short piece of rubber hose, and remove the caliper. To install, install the caliper, replace the sealing washers, bleed the brake system, install the wheels, hand tighten the wheel lug nuts, remove the safety stands and lower the vehicle, and finally tighten the wheel lug nuts.