Ford 2003 Mustang Workshop Manual page 3698

10. NOTE: When removing the cushion from the frame, it is not necessary to remove the trim cover
from the cushion foam pad.
Remove the cushion foam pad from the frame.
11. NOTE: The lumbar and bolster pump and solenoid module is serviced as part of the cushion
frame assembly.
Install a new seat cushion frame assembly.
All vehicles
12. To install, reverse the removal procedure.