Orion Vii, model year 2010. Filed by Daimler Buses North America, Inc. and reported to NHTSA on 15 August 2011. 96 vehicles potentially affected.
What the notice says Daimler buses north america (dbna) is recalling certain model year 2010 orion vii transit buses manufactured from november 2010 through january 2011, equipped with a cummins isb, isx, isc, or isl diesel engine. the v-band clamp assembly, part numbers q187684, q187685, and q187686, used to connect the inlet and outlet …
Is your vehicle included? Check with your VIN at NHTSA, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.
What owners ask about this recall
- Which vehicles does recall 11V421 cover?
- Orion Vii, model year 2010.
- What is wrong with them?
- DAIMLER BUSES NORTH AMERICA (DBNA) IS RECALLING CERTAIN MODEL YEAR 2010 ORION VII TRANSIT BUSES MANUFACTURED FROM NOVEMBER 2010 THROUGH JANUARY 2011, EQUIPPED WITH A CUMMINS ISB, ISX, ISC, OR ISL DIESEL ENGINE.
- What can happen if it is not put right?
- 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.
- Is there a fix yet?
- Yes, and it is free. DBNA 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 12, 2011. OWNERS MAY CONTACT CUMMINS AT 1-812-377-5000 OR DBNA AT 905-403-1111.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on.
Answered from the register this site holds. NHTSA is the record to act on.
What the authority says can happen if this is not fixed: “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…”
affected
in the notice
caught
| Campaign | 11V421 |
|---|---|
| Filed by | DAIMLER BUSES NORTH AMERICA, INC. |
| System at fault | Engine And Engine Cooling |
| Reported to NHTSA | 15 August 2011 |
| Model years | 2010-2010 |
| Vehicles named | ORION VII |
What the notice says today
The consequence
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.
The remedy
DBNA 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 12, 2011. OWNERS MAY CONTACT CUMMINS AT 1-812-377-5000 OR DBNA AT 905-403-1111.
What it said before
This campaign is in the register but not yet in the dated wording archive, so we cannot yet say whether its text has moved. It enters the archive on the next pass.
This is one of 588 notices in the record whose component field names engine and engine cooling. Across that group the median wait before owners were written to was 47 days.
The models named here, across their whole recall history
The recall record and its wording are published by the US National Highway Traffic Safety Administration and are US Government public domain. The dated archive, the comparison and any before-and-after above are CarsMultiverse. How fresh every engine behind this page is, is public on the status page. To check a specific vehicle, use NHTSA’s own VIN lookup.
Other Orion notices we hold
- 16V017: model year 2010-2012 Orion VII transit buses manufactured April 5, 2010, to October 31, 2012, equipped with certain Recaro Ergo-M Commercial Bus Driver Seats
- 15V288: model year 2007-2012 Orion VII natural gas-powered transit buses manufactured January 1, 2007, to October 1, 2012
- 14V106: model year 2007-2012 Orion VII transit buses manufactured January 2007 through October 2012 equipped with certain Cummins Westport Model ISL G engines
- 13V476: model year 2003-2008 Orion V and model year 2002-2010 VII buses equipped with Sure Power equalizers and DC-DC Converters
- 13V056: model year 2011-2012 Orion VII transit buses equipped with disc brakes using MGM brake components
- 12V447: model year 2004-2008 Orion V and model year 2005-2006 Orion VII transit buses equipped with John Deere Compressed Natural Gas (CNG) turbocharged engines
All 7 Orion campaigns we hold · Every manufacturer in the record
The fingerprint of this notice
We take a SHA-256 of each of the three blocks of text the authority publishes and keep the first eight characters. As we last read campaign 11V421 on 17 September 2026, they were:
- Defect summary
ab48c388 - Consequence
1491100f - Remedy
c0d616e8
We first read this notice on 21 August 2026. It has not moved since. If it ever does, these characters will not match, and the change will be dated here.
The wording we hold for 11V421 · how the whole register is watched
This notice names one vehicle among several registers that have written about it. Every notice this site holds for the Orion Vii, in all seven, is kept on that vehicle's own page, with the newest in each.
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