Ford 2003 Mustang Workshop Manual page 2556

8. NOTE: Make sure the band is seated on the anchor pins.
Install the reverse band.
9. NOTE: The planetary assembly and planetary gear support cannot be installed unless the notch
cut in the planetary gear support is aligned with the overdrive band anchor pin.
NOTE: The top of the planetary gear support must be below the snap ring groove.
Install the planetary assembly and planetary gear support as a unit.
Rotate the output shaft to fully seat the planetary assembly.
10. NOTE: The planet support spring must be compressed and installed below the snap ring
groove. When the planet support spring is installed correctly both ends of the spring will be
visible.
Install the case to the planet support spring located at the 1 o'clock position.
11. Install the center support retaining ring.
Reference the retaining ring tabs to the band anchor pin location.