2004 Blue Bird Express 4000, 2004 Blue Bird Express 4500 Recall: CERTAIN MOTOR COACHES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL…
NHTSA campaign 04V341000 · Service Brakes, Air · filed Jul 19, 2004 · verified Jul 30, 2026
The defect
CERTAIN MOTOR COACHES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS." THESE BUSES WERE MANUFACTURED WITHOUT THE CHECK VALVE, WHICH PROTECTS THE FRONT SERVICE BRAKE RESERVOIR.
The risk
LOSS OF AIR PRESSURE COULD RESULT IN LONGER STOPPING DISTANCES WHICH COULD RESULT IN A CRASH.
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
DEALERS WILL ADD THE REQUIRED CHECK VALVE TO THE FRONT AIR BRAKE SERVICE RESERVOIR TO INSURE COMPLIANCE WITH FMVSS NO. 121. THE RECALL BEGAN ON JULY 30, 2004. OWNERS SHOULD CONTACT BLUE BIRD AT 478-822-2242.
BLUE BIRD RECALL NO. R04HU.CUSTOMERS CAN ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Blue Bird | Express 4000 | 2004 |
| Blue Bird | Express 4500 | 2004 |
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More Blue Bird Express 4000 recalls
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- 2004 Blue Bird Express 4000 and 3 other models — CERTAIN MOTOR COACHES, MOTOR HOMES, COMMUTER COACHES, AND…
- 2003 Blue Bird Express 3500 and 3 other models — ON CERTAIN MOTOR HOMES AND TRANSIT COACHES, INCORRECT…
Other campaigns involving Blue Bird vehicles
All Blue Bird Express 4000 recalls → · All Blue Bird recalls →
Source: NHTSA recall database, campaign 04V341000 (manufacturer number R04HU). Data last verified Jul 30, 2026.