Ford 2003 Mustang Workshop Manual page 1804

39. Position the crankshaft sensor ring on the crankshaft.
40. Install the oil pan and gasket and loosely install the bolts.
41. Tighten the bolts in the sequence shown.
Tighten to 20 Nm (15 lb-ft).
Rotate an additional 60 degrees.
42. Install the drain plugs