2011–2012 Blue Bird All American, 2011–2012 Blue Bird Vision Recall: Engine and Engine Cooling
NHTSA campaign 11V423000 · Engine and Engine Cooling · filed Aug 17, 2011 · verified Jul 30, 2026
The defect
BLUE BIRD IS RECALLING CERTAIN MODEL YEAR 2011 AND 2012 ALL AMERICAN SCHOOL BUSES MANUFACTURED FROM OCTOBER 13, 2010, THROUGH MARCH 8, 2011, AND VISION SCHOOL BUSES MANUFACTURED FROM OCTOBER 2, 2010, THROUGH FEBRUARY 2, 2011, EQUIPPED WITH A CUMMINS DIESEL ENGINE. THE V-BAND CLAMP ASSEMBLY, PART NUMBERS Q187684, Q187685, AND Q187686, USED TO CONNECT THE INLET AND OUTLET CONE SECTIONS TO THE DIESEL OXIDATION CATALYST (DOC)/DIESEL PARTICULATE FILTER (DPF) INCLUDE A T-BOLT WHICH CAN FRACTURE AND FAIL WHEN SUBJECTED TO STRESS OR LOAD. A FRACTURE OR FAILURE OF THE T-BOLT MAY CAUSE THE CLAMP TO LOOSEN AND THE INLET OR OUTLET SECTIONS ATTACHED TO THE DOC/DPF HOUSING TO DISCONNECT.
The risk
IF THE INLET OR OUTLET SECTIONS DISCONNECT, HOT EXHAUST GASES CAN VENT PRIOR TO EXITING THE TAILPIPE, CREATING THE RISK OF COMBUSTION AND A FIRE. IF BOTH CLAMPS FAIL, THERE IS A RISK IN SOME APPLICATIONS THAT THE DOC/DPF HOUSING MAY DETACH COMPLETELY, CREATING A ROAD HAZARD.
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
BLUE BIRD IS WORKING WITH CUMMINS TO IDENTIFY AND NOTIFY OWNERS OF THE RECALL CAMPAIGN. REPAIRS WILL BE PERFORMED BY AUTHORIZED CUMMINS DEALERS FREE OF CHARGE. THE SAFETY RECALL BEGAN ON OCTOBER 10, 2011. OWNERS MAY CONTACT CUMMINS AT 1-812-377-5000 OR BLUE BIRD AT 1-478-822-2242.
CUMMINS RECALL CAMPAIGN NUMBER IS C1154.BLUE BIRD'S RECALL CAMPAIGN NUMBER IS R11TH.OWNERS MAY ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236 (TTY 1-800-424-9153), OR GO TO <A HREF=HTTP://WWW.SAFERCAR.GOV>HTTP://WWW.SAFERCAR.GOV</A> .
Affected vehicles
Related recalls
More Blue Bird All American recalls
- 2019 Blue Bird All American and 3 other models — Emergency exit label operating instructions lettering is…
- 2019 Blue Bird All American and 3 other models — An exterior roof joint may have been manufactured with…
- 2014–2019 Blue Bird All American and 1 other model — Bolts securing the restraining barriers to the floor may…
- 2018–2019 Blue Bird All American and 3 other models — System Control Module (SCM) may activate the anti-rollback…
- 2018–2019 Blue Bird All American and 3 other models — Air compressor housing is improperly grounded, causing…
Other campaigns involving Blue Bird vehicles
All Blue Bird All American recalls → · All Blue Bird recalls →
Source: NHTSA recall database, campaign 11V423000 (manufacturer number R11TH). Data last verified Jul 30, 2026.