Ford 2003 Mustang Workshop Manual page 1290

50. Using the special tool, remove the front cover seal.
51. Remove the bolts, the studs, and the engine front cover.
Discard the gaskets. Clean and inspect the sealing surfaces.
CAUTION: Since the engine is not free-wheeling, if the crankshaft or the camshafts are
moved in any manner during removal and installation, the crankshaft and the camshafts must
be re-synchronized.
52. Remove the crankshaft sensor ring from the crankshaft.