CERTAIN SPARTAN MY 1998-2000 SCHOOL AND SPECIALTY BUSES EQUIPPED WITH CUMMINS ISB DIESEL ENGINES. THE FUEL PUMP COULD FAIL TO TRANSFER FUEL APPROPRIATELY CREATING AN ENGINE STALL CONDITION.
Safety risk
SHOULD THE ENGINE STALL WHILE THE VEHICLE IS IN USE, A POSSIBLE VEHICLE CRASH COULD OCCUR.
Manufacturer remedy
CUSTOMERS WILL BE NOTIFIED BY CUMMINS TO BRING THEIR VEHICLES IN TO AN AUTHORIZED DEALER TO HAVE THE REMEDY DONE FREE OF CHARGE. FOR MORE INFORMATION, CUSTOMERS MAY CONTACT CUMMINS AT 1-800-DIESELS.
Engine and engine cooling: cooling system: hoses/lines/piping/fittings
Manufacturer
SPARTAN MOTORS, INC.
Vehicles affected
133
Reported to NHTSA
1999-03-03
Owners notified
1999-03-01
Defect description
VEHICLE DESCRIPTION: TRANSIT BUSES. DUE TO THE ROUTING OF THE HIGH PRESSURE HYDRAULIC HOSE CONNECTING THE DISTRIBUTION MANIFOLD TO THE COOLING FAN, HYDRAULIC MOTOR OR THE HIGHER OPERATIONAL SPEED OF CNG ENGINES COULD, IN CERTAIN CIRCUMSTANCES, PUSH THE PRESSURE DEVELOPED BY THE HYDRAULIC PUMP BEYOND THE NOMINAL WORKING PRESSURE OF THE INSTALLED HOSE. THERE IS THE POSSIBILITY OF STRESSING THE HOSE BEYOND ITS MINIMUM BEND RADIUS AND/OR BEYOND ITS NOMINAL WORKING TEMPERATURE/PRESSURE RATINGS.
Safety risk
A HOSE FAILURE COULD OCCUR ALLOWING HYDRAULIC FLUID STEAM TO IMPINGE ONTO HOT EXHAUST COMPONENTS AND INITIATE AN ENGINE COMPARTMENT FIRE.
Manufacturer remedy
SPARTAN IS DEVELOPING A FIELD RETROFIT KIT WHICH WILL CONSIST OF A NEW HYDRAULIC FLUID HOSE THAT WILL BE 3 INCHES LONGER THAN THE ORIGINAL AND HAVE A HIGHER WORKING PRESSURE RATING; A 45 DEGREE HOSE CONNECTION FITTING WILL BE ADDED AT THE FAN MOTOR INLET PORT; THE HOSE WILL BE RE-ROUTED AND ALSO CLIPPED OR CLAMPED; AND THE MANIFOLD BLOCK/PRIORITY VALVE WILL BE RELOCATED.
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.