Fuel System, Gasoline:delivery:fuel Pump

NHTSA recall 91V169000 · announced October 1, 1991 · filed by Thomas Built Buses, Inc. · 407 units affected

The problem

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.

The risk

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.

What to do

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

Notes

SYSTEM: FUEL PUMP.VEHICLE DESCRIPTION: BUSES AND SCHOOL BUSES WITH CUMMINS 6C ENGINES.

Vehicles covered by this recall

• 1988 Thomas Bus
• 1989 Thomas Bus
• 1990 Thomas Bus
• 1991 Thomas Bus
• 1988 Thomas School Bus
• 1989 Thomas School Bus
• 1990 Thomas School Bus
• 1991 Thomas School Bus

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.