Also recalled in CanadaThe official notice
Defect
FORD IS RECALLING CERTAIN MODEL YEAR 2011 F-650 AND F-750 TRUCKS, MANUFACTURED FROM DECEMBER 3, 2010, THROUGH DECEMBER 20, 2011, EQUIPPED WITH BENDIX ATR-6 ANTILOCK TRACTION RELAY VALVES. IN EXTREMELY COLD CONDITIONS, THE BENDIX RELAY VALVES MAY POTENTIALLY DEVELOP INTERNAL LEAKAGE. INTERNAL LEAKAGE CAN LEAD TO AIR PRESSURE BEING DELIVERED TO AFFECTED PRIMARY OR SECONDARY BRAKE CAUSING CONTINUOUS BRAKE APPLICATION.
Safety Risk
UNEXPECTED CONTINUOUS BRAKE APPLICATION CAN CAUSE THE BRAKES TO OVERHEAT AND LEAD TO A FIRE. UNEXPECTED CONTINUOUS BRAKE APPLICATION CAN CAUSE THE DRIVER TO LOSE CONTROL OF THE VEHICLE, INCREASING THE RISK OF A CRASH. ALSO, THE BRAKES MAY BE APPLIED WITHOUT ILLUMINATING THE BRAKE LIGHTS, FAILING TO GIVE PROPER WARNING TO OTHER DRIVERS.
Remedy
FORD WILL NOTIFY OWNERS, AND DEALERS WILL INSTALL A BENDIX ATR-6 TRACTION RELAY VALVE KIT. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON APRIL 12, 2012. OWNERS MAY CONTACT FORD MOTOR COMPANY AT 1-800-392-3673.