Ford 2003 Mustang Workshop Manual page 2829

output shaft. Record the measurement.
16. Rotate the transmission so that the input shaft is pointing downward.
17. NOTE: Rotate the countershaft to seat the bearings.
Using the special tools, measure the countershaft gear end play by pulling upward on the
countershaft. Record the measurement.
18. Remove the two bolts and lift the transmission main case off.