Ford 2003 Mustang Workshop Manual page 537

5. Loosen the RH rear bleeder screw. Leave open until clear, bubble-free brake fluid flows, then
tighten the RH rear bleeder screw and remove the rubber hose.
6. Continue bleeding the rear of the system, going in order from the LH rear bleeder screw to the
RH front disc brake caliper bleeder screw ending with the LH front disc brake caliper bleeder
screw.
7. Close the bleeder tank valve. Remove the tank hose from the adapter, and remove the adapter.