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.
Safety risk
SHOULD THE ENGINE STALL, A VEHICLE CRASH COULD OCCUR.
Manufacturer 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.
Engine and engine cooling: cooling system: radiator assembly
Manufacturer
OPTIMA BUS CORP
Vehicles affected
49
Reported to NHTSA
2005-08-15
Owners notified
2005-08-24
Defect description
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.
Safety 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.
Manufacturer 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.
ON CERTAIN TRANSIT BUSES WITH CUMMINS ISB02 ENGINES, THE HYDRAULIC LINE COMING OFF OF THE POWER STEERING PUMP IS RUBBING ON TOP OF THE AIR GOVERNOR.
Safety 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.
Manufacturer remedy
DEALERS WILL MAIL A MODIFICATION KIT WITH INSTRUCTIONS ON HOW TO INSTALL A BRACKET AND CLAMP THAT WILL LIFT AND SECURE THE LINES AWAY FROM THE AIR GOVERNOR ELIMINATING THE POSSIBILITY OF CHAFFING. THE RECALL BEGAN ON MAY 20, 2005. OWNERS MAY CONTACT OPTIMA AT 1-888-391-1777.
ON CERTAIN TRANSIT BUSES EQUIPPED WITH ARVINMERITOR URRESKO TIE ROD CLAMPS, HEAT TREATMENT OF CLAMPS CREATED A SURFACE HARDNESS THAT COULD LEAD TO A FRACTURE OF THE CLAMPS.
Safety risk
IN THE EVENT OF A CRACK THE CLAMPS COULD BREAK OFF AFFECTING TOE-IN AND ALIGNMENT. THE TIE ROD CAN COME LOOSE RESULTING IN STEERING LOSS AND A CRASH COULD OCCUR WITHOUT PRIOR WARNING.
Manufacturer remedy
ARVINMERITOR IS CONDUCTING THE OWNER NOTIFICATION AND REMEDY FOR THIS CAMPAIGN. OWNERS MAY CONTACT ARVINMERITOR AT 1-866-668-7221 OR OPTIMA AT 316-779-7700.
Owner complaints
A complaint is one person's report to a federal agency. It is not a finding.
No complaints recorded for this model year.
Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.