The defect
ON CERTAIN TRANSIT VEHICLES AND TROLLEYS EQUIPPED WITH CUMMINS ISB-02 DIESEL ENGINES BUILT WITH EMC CONTROLLED FUEL LIFT PUMPS. ERRATIC VOLTAGE SUPPLY TO THE FUEL LIFT PUMP CAUSES PREMATURE ELECTRIC BRUSH WEAR INTERNAL TO THE FUEL LIFT PUMP. THIS PREMATURE WEAR COULD RESULT IN FUEL LIFT PUMP FAILURE AND IN SOME CASES MAY CAUSE AN ENGINE STALL CONDITION.
The risk
SHOULD THE ENGINE STALL, A VEHICLE CRASH COULD OCCUR.
The remedy
CUMMINS, IN CONJUNCTION WITH OPTIMA BUS, WILL NOTIFY OWNERS AND REPAIR THE ENGINES BY EMC RECALIBRATION AND REPLACEMENT OF THE FUEL LIFT PUMP AT NO CHARGE TO THE CUSTOMER. OWNERS MAY CONTACT CUMMINS ASSISTANCE CENTER AT 1-800-DIESELS OR OPTIMA BUS AT 1-316-779-7700.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Optima AH-28 | 2004, 2005 |
| Optima Opus 29 | 2004, 2005 |
| Optima Opus 34 | 2004, 2005 |
Components: FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP
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 AH-28 | 2004 | 0 | 2 |
| Optima AH-28 | 2005 | 0 | 1 |
| Optima Opus 29 | 2004 | 0 | 4 |
| Optima Opus 29 | 2005 | 0 | 3 |
| Optima Opus 34 | 2004 | 0 | 4 |
| Optima Opus 34 | 2005 | 0 | 3 |
Other fuel system, other recalls in 2005
7 of the 562 recall campaigns reported to NHTSA in 2005 concerned the fuel system, other; OPTIMA BUS CORP filed 7 campaigns in all.
| 05V478000 12 Oct 2005 | GILLIG CORPORATION |
| 05V469000 5 Oct 2005 | FREIGHTLINER LLC |
| 05V416000 20 Sept 2005 | ELDORADO NATIONAL - CALIFORNIA, INC. |
| 05V406000 13 Sept 2005 | ORION BUS INDUSTRIES LTD. |
| 05V404000 13 Sept 2005 | BLUE BIRD BODY COMPANY |
| 05V011000 21 Jan 2005 | COLLINS BUS CORPORATION |
NHTSA recalls (public domain) · all recalls of 2005