2002 Orion VI Recall: ON CERTAIN TRANSIT BUSES EQUIPPED WITH DETROIT DIESEL SERIES 50 ENGINE…
NHTSA campaign 03V063000 · Engine and Engine Cooling · filed Feb 24, 2003 · verified Jul 30, 2026
The defect
ON CERTAIN TRANSIT BUSES EQUIPPED WITH DETROIT DIESEL SERIES 50 ENGINE CONFIGURATIONS, A HYDRAULIC MOTOR USED TO DRIVE THE ENGINE COOLING FAN MOTOR HAS TWO HOSES CONNECTED TO IT, INCLUDING A HIGH PRESSURE INPUT HOSE. THE HIGH PRESSURE HOSE IS CONSTRUCTED WITH REUSABLE OR CRIMP ENDS. THE HYDRAULIC MOTOR IS LOCATED AT THE REAR OF THE BUS, INSIDE THE ENGINE COMPARTMENT. THE END OF THE HOSE THAT IS CONNECTED TO THE FAN MOTOR HAS DISCONNECTED FROM THE HOSE CONNECTOR.
The risk
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 REPLACE THE HYDRAULIC HOSE ASSEMBLY. OWNER NOTIFICATION BEGAN APRIL 1, 2003. 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 ORION AT 1-905-403-1111.
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
Related recalls
More Orion VI recalls
- 1995–2000 Orion VI — Equipment Adaptive/mobility
- 1992–1998 Orion II and 3 other models — Power Train
- 2002–2004 Orion V and 1 other model — ON CERTAIN BUSES EQUIPPED WITH DETROIT DIESEL SERIES 50G…
- 1998–1999 Orion V and 1 other model — ON CERTAIN TRANSIT BUSES EQUIPPED WITH DETROIT DIESEL…
- 1996–1998 Orion V and 1 other model — ON CERTAIN BUSES EQUIPPED WITH CUMMINS ELECTRONIC CONTROL…
Other campaigns involving Orion vehicles
Source: NHTSA recall database, campaign 03V063000 (manufacturer number ORB-03-01). Data last verified Jul 30, 2026.