The defect
ON CERTAIN TRANSIT BUSES, THERE IS A POSSIBILITY THAT THE HYDRAULIC LINE COMING FROM THE RADIATOR FAN MOTOR TO THE CAC MOTOR IS RUBBING ON THE CHASSIS.
The risk
THIS RUBBING MAY CAUSE THE HYDRAULIC LINE TO BE RUBBED THROUGH RESULTING IN A LEAK AND A LOSS OF HYDRAULIC FLUID. THIS FLUID COULD IGNITE IF IT COMES IN CONTACT WITH A HOT SOURCE.
The remedy
DEALERS WILL INSTALL A P-CLAMP ON THE RADIATOR MOTOR SUPPORT BRACKET THAT HOLDS AND SECURES THE HOSE AWAY FROM THE CHASSIS ELIMINATING THE POSSIBILITY OF CHAFFING. THE RECALL BEGAN ON AUGUST 24, 2005. OWNERS MAY CONTACT OPTIMA AT 1-888-391-1777.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Optima Opus 29 | 2002, 2003, 2004, 2005 |
| Optima Opus 34 | 2002, 2003, 2004, 2005 |
Components: ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Optima Opus 29 | 2002 | 0 | 3 |
| Optima Opus 29 | 2003 | 0 | 3 |
| Optima Opus 29 | 2004 | 0 | 4 |
| Optima Opus 29 | 2005 | 0 | 3 |
| Optima Opus 34 | 2002 | 0 | 3 |
| Optima Opus 34 | 2003 | 0 | 3 |
| Optima Opus 34 | 2004 | 0 | 4 |
| Optima Opus 34 | 2005 | 0 | 3 |
Other engine and engine cooling recalls in 2005
34 of the 562 recall campaigns reported to NHTSA in 2005 concerned the engine and engine cooling; OPTIMA BUS CORP filed 7 campaigns in all.
| 05V570000 22 Dec 2005 | PACCAR INCORPORATED |
| 05V567000 21 Dec 2005 | INTERNATIONAL TRUCK & ENGINE CORPORATION |
| 05V473000 12 Oct 2005 | GILLIG CORPORATION |
| 05V464000 7 Oct 2005 | NORTH AMERICAN BUS INDUSTRIES, INC. |
| 05V451000 4 Oct 2005 | MITSUBISHI FUSO TRUCK OF AMERICA, INC. |
| 05V421000 22 Sept 2005 | NEW FLYER INDUSTRIES LTD |
| 05V412000 19 Sept 2005 | MAZDA NORTH AMERICAN OPERATIONS |
| 05V411000 15 Sept 2005 | MITSUBISHI FUSO TRUCK OF AMERICA, INC. |
NHTSA recalls (public domain) · all recalls of 2005