Ford 2003 Mustang Workshop Manual page 3697

6. Remove the front seat backrest pad adjusting pump (65530).
1. Disconnect the electrical connector.
2. Disconnect the power lumbar support air hose.
Vehicles with power bolster and lumbar
7. Remove the driver seat backrest latch. For additional information, refer to
Backrest in this section.
8. Remove the pivot bolt and seat backrest.
Disconnect the power lumbar support air hoses.
9. Release the J-clips.
Latch—Front Seat