Ford 2003 Mustang Workshop Manual page 1512

4. Remove the bolts and the rear seal retainer plate.
5. Mount the engine on a workstand.
6. Remove the special tools.
7. Remove the drain plug and drain the engine coolant.
8. Disconnect the electrical connectors from the fuel pulse damper, exhaust gas recirculation
(EGR) vacuum regulator solenoid, supercharger bypass vacuum solenoid, and the differential