2004–2007 Orion Vii Recall: ON CERTAIN TRANSIT BUSES BUILT WITH CUMMINS ISL ENGINES, THE EXHAUST ELBOW…
NHTSA campaign 07V326000 · Engine and Engine Cooling · filed Jul 26, 2007 · verified Jul 30, 2026
The defect
ON CERTAIN TRANSIT BUSES BUILT WITH CUMMINS ISL ENGINES, THE EXHAUST ELBOW WAS INCORRECTLY ASSEMBLED AND WELDED DURING PRODUCTION. THE UPPER FLANGE HAS A BUTT TYPE WELD INSTEAD OF A FILLET TYPE WELD.
The risk
AN EXHAUST SYSTEM THAT IS NOT MAINTAINED TO ENSURE THAT THERE ARE NO LEAKING SECTIONS CAN CAUSE HEAT DAMAGE TO SURROUNDING COMPONENTS INCREASING THE RISK OF A FIRE.
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
OWNERS WILL BE REIMBURSED FOR THE REPLACEMENT OF THE EXHAUST ELBOW. THE RECALL BEGAN DURING SEPTEMBER 2007. OWNERS MAY CONTACT ORION AT 1-800-716-7466.
CUSTOMERS MAY ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY OUTLINE AT 1-888-327-4236 (TTY 1-800-424-9153), OR GO TO HTTP://
Affected vehicles
Related recalls
More Orion Vii recalls
- 2010–2012 Orion Vii — Affected seats have J-Brackets that may be missing welds…
- 2007–2012 Orion Vii — Excessive engine crankcase pressures may cause the…
- 2007–2012 Orion Vii — Condensation in the intake manifold may freeze during cold…
- 2003–2008 Orion V and 1 other model — Specific potting compound used in the equalizers and…
- 2011–2012 Orion Vii — In the affected vehicles, the brake chambers may leak…
Other campaigns involving Orion vehicles
Source: NHTSA recall database, campaign 07V326000. Data last verified Jul 30, 2026.