NHTSA vehicle safety data
2003 Freightliner MT55 Recalls & Complaints
The 2003 Freightliner MT55 has 1 NHTSA recall campaign on file as of October 21, 2026. try.vin has no NHTSA owner complaints on file for the 2003 Freightliner MT55. Recall repairs are usually free at an authorized Freightliner dealer.
Includes campaigns NHTSA files under the spelling "MT-55".
NHTSA recall and complaint data for the 2003 Freightliner MT55. Recall data is refreshed daily from NHTSA.
SR-7 SPRING BRAKE VALVE ASSEMBLY/BENDIX/PARKER
NHTSA #07V302000 · Service Brakes, Air — Supply — Check Valve · NHTSA notice
Reported July 16, 2007 · FREIGHTLINER LLC
Potentially affected: 75,000 vehicles
Freightliner campaign FL-504 · Owners notified January 11, 2008 · Vehicles built July 1, 2002 – July 3, 2007 (per NHTSA)
Defect description
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.
Safety consequence
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.
Manufacturer remedy
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.
Notes
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.
Other Freightliner MT55 model years
Check your 2003 Freightliner MT55 VIN
Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your Freightliner MT55 at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.
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