Ford 2003 Mustang Workshop Manual page 1751

59. Disconnect the output shaft speed (OSS) sensor electrical connector and detach the left and
right oxygen sensor electrical connectors from the crossmember.
Manual transmission vehicles
60. Remove the bolt and the clutch release lever cover.
61. CAUTION: To prevent component damage, do not depress the clutch pedal with the
transmission removed.
Detach the clutch release cable from the clutch release fork.