Ford 2003 Mustang Workshop Manual page 2717

32. NOTE: If the bearing race sticks in the case, it is misaligned in the case bore. To free the race,
work the countershaft cluster gear back and forth.
Remove the bearing race.
33. Using the special tools, remove the rear countershaft bearing assembly (7F431).
34. Move the countershaft cluster gear rearward through the bearing bore. Tilt the assembly upward
and remove it from the case.