NHTSA Campaign 91V169000

FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

Issued by THOMAS BUILT BUSES, INC. · Reported Oct 1, 1991 · 407 vehicles affected

What's wrong

THE FUEL SHUT-OFF SOLENOID IN THE CUMMINS 6C ENGINE MAY BE FAULTY, CAUSING SPONTANEOUS INTERRUPTION OF FUEL FLOW TO THE ENGINE DURING NORMAL OPERATION. THIS RESULTS IN LOSS OF POWER TO DRIVING WHEELS, POWER STEERING, AND OTHER POWER ASSISTED OPERATING SYSTEMS.

Consequence

LOSS OF ENGINE POWER AND SECONDARY LOSS OF POWER ASSISTEDSYSTEMS REDUCES STEERING CONTROL, BRAKING ABILITY, VISUAL SYSTEMS AND OTHERPOWER ASSISTED OPERATING SYSTEMS, RESULTING IN INCREASED RISK OF VEHICLEACCIDENT.

Remedy

WHERE NECESSARY, REPLACE THE SOLENOID SPRING, ADJUST SOLENOID, REPLACE WIRES, AND VERIFY MAXIMUM POWER REQUIREMENTS TO THE SOLENOID.

Vehicles affected by this recall

Make Model Year Units
THOMAS BUS 1988 407
THOMAS BUS 1989 407
THOMAS BUS 1990 407
THOMAS BUS 1991 407
THOMAS SCHOOL BUS 1988 407
THOMAS SCHOOL BUS 1989 407
THOMAS SCHOOL BUS 1990 407
THOMAS SCHOOL BUS 1991 407

Source: NHTSA Campaign 91V169000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.