2003–2008 FCCC B2, 2003–2008 FCCC XC, 2003–2008 Freightliner Argosy and 18 other models Recall: CERTAIN FREIGHTLINER SCHOOL BUS CHASSIS, HEAVY TRUCKS, AND THOMAS BUILT…
NHTSA campaign 07V302000 · Service Brakes, Air · filed Jul 16, 2007 · verified Jul 30, 2026
The defect
CERTAIN FREIGHTLINER SCHOOL BUS CHASSIS, HEAVY TRUCKS, AND THOMAS BUILT SCHOOL BUSES MANUFACTURED BETWEEN JULY 2002 AND JULY 3, 2007, EQUIPPED WITH BENDIX SR-7 SPRING BRAKE CONTROL VALVES. THE PARKER SCV BRASS 90 DEGREE SINGLE CHECK VALVES (SCV) WHICH ATTACH TO THE SUPPLY PORT OF A BENDIX SR-7 SPRING BRAKE MODULATING VALVE CAN BREAK APART. PIECES OF THE PARKER SCV CAN BECOME LODGED INSIDE THE SR-7 SPRING BRAKE MODULATING VALVE, POTENTIALLY CAUSING EITHER LEAKAGE OUT OF THE SR-7 VALVE OR PREVENTING AIR FROM PROPERLY EXHAUSTING FROM THE SR-7 VALVE. ALSO, DUE TO A MANUFACTURING DEFECT IN THE INTERNAL RUBBER CHECK VALVE INSIDE THE SR-7 SPRING BRAKE MODULATING VALVES, THE VALVES CAN BECOME DEFORMED AND NOT SEAT PROPERLY.
The risk
THESE CONDITIONS COULD EITHER RESULT IN LEAKAGE AND CAUSE A DELAY IN THE APPLICATION OF THE SPRING BRAKE WITHOUT WARNING OR POSSIBLY LEAD TO UNINTENDED VEHICLE ROLLAWAY OR BRAKE DRAG WHICH COULD RESULT IN A VEHICLE CRASH, PERSONAL INJURY, OR DEATH.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
FREIGHTLINER WILL NOTIFY OWNERS AND REPAIR THE VEHICLES FREE OF CHARGE. THE RECALL BEGAN ON JANUARY 11, 2008 TO FREIGHTLINER, STERLING, AND FREIGHTLINER CUSTOM CHASSIS OWNERS; TO THOMAS BUILT BUS OWNERS ON FEBRUARY 1, 2008. OWNERS CAN CONTACT FREIGHTLINER AT 1-800-547-0712.
FREIGHTLINER RECALL NO. FL-504.CUSTOMERS MAY CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236 (TTY: 1-800-424-9153); OR GO TO HTTP://WWW.SAFERCAR.GOV.
Affected vehicles
Related recalls
More FCCC B2 recalls
- 2011 FCCC B2 and 1 other model — Engine and Engine Cooling
- 2008–2009 FCCC B2 and 2 other models — Engine and Engine Cooling
- 2007–2011 FCCC B2 and 2 other models — Engine and Engine Cooling
- 2005–2011 FCCC B2 and 3 other models — Exterior Lighting
- 2008–2010 FCCC B2 and 1 other model — Service Brakes, Hydraulic
Other campaigns involving FCCC vehicles
Source: NHTSA recall database, campaign 07V302000 (manufacturer number FL-504). Data last verified Jul 30, 2026.