One problem related to brake master cylinder has been reported for the 2007 Ford F-150. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2007 Ford F-150 based on all problems reported for the 2007 F-150.
Brake pedal will fade to floor after stopping. Will fade after holding pressure on pedal for a while. Normal braking seems to be ok. Feel very uneasy pulling a trailer. Ford replaced master cylinder and bled system,which did not help. My dealer is now telling me this normal.