2004 US Bus SBFX-A, 2004 US Bus SD Recall: CERTAIN MY 2004 SBFX-A AND SD U.S
NHTSA campaign 04V452000 · Equipment · filed Sep 15, 2004 · verified Jul 30, 2026
The defect
CERTAIN MY 2004 SBFX-A AND SD U.S. BUS SCHOOL BUSES BUILT ON FORD E-350 AND E-450 CHASSIS. THE VACUUM PUMP MAY BECOME DISENGAGED FROM THE ENGINE'S DRIVE MECHANISM CAUSING LOSS OF THE VEHICLE'S PRIMARY BRAKING SYSTEM.
The risk
LOSS OF BRAKING CAPABILITY CAN RESULT IN A VEHICLE CRASH, POSSIBLY RESULTING IN SERIOUS 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
US BUS WILL NOTIFY ITS CUSTOMER AND REPAIR THE BUSES FREE OF CHARGE. THE RECALL BEGAN SEPTEMBER 27, 2004. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT US BUS AT 845-357-2510.
ALSO, CUSTOMERS CAN CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).
Affected vehicles
Related recalls
Other campaigns involving US Bus vehicles
Source: NHTSA recall database, campaign 04V452000. Data last verified Jul 30, 2026.