Ford 2003 Mustang Workshop Manual page 1504

49. Remove the auxiliary crankshaft pulley. For additional information, refer to
Auxiliary in this section.
50. Remove the clutch. For additional information, refer to
51. Remove the transmission wiring harness.
1. Remove the RH oxygen sensor connector from the bracket.
2. Disconnect the transmission wiring connector and remove the harness.
52. NOTE: LH is shown, RH is similar.
Remove the right and left exhaust manifold flange nuts, and position the exhaust manifold
aside.
53. Drain the engine oil.
Install the drain plug when finished.
Crankshaft Pulley—
Section 308-01 .