1991 International Harvester 3900FC recalls

NHTSA lists 5 model-level recall records for this year, make, and model. These records may apply to your vehicle; confirm your specific VIN with NHTSA or the manufacturer.

Recall records

Steering: Steering wheel/handle bar11/27/199191V208000

THE PINCH BOLT CONNECTING THE UPPER STEERING COLUMN TO THE LOWER STEERING COLUMN MAY NOT HAVE BEEN PROPERLY TIGHTENED AND SEPARATION OF UPPER AND LOWER STEERING COLUMNS CAN OCCUR.

Consequence

IF THE STEERING COLUMN SEPARATES WHILE THE BUS IS INMOTION, LOSS OF STEERING CONTROL AND A VEHICLE CRASH CAN OCCUR.

Remedy

TIGHTEN THE UPPER PINCH BOLT AS REQUIRED.

SYSTEM: STEERING.VEHICLE DESCRIPTION: SCHOOL BUSES EQUIPPED WITH ADJUSTABLE STEERING COLUMNS.

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Fuel system, gasoline: Storage: Tank assembly07/20/199292V102000

THE FUEL SYSTEM FAILED THE CRASH BARRIER TEST.

Consequence

THE FUEL TANK WAS PUNCTURED, RESULTING IN FLUID LOSSGREATER THAN ALLOWED BY FMVSS 301, "FUEL SYSTEM INTEGRITY". FUEL SPILLS INA COLLISION COULD LEAD TO A VEHICLE FIRE IF EXPOSED TO A SOURCE OF IGNITION.

Remedy

MODIFY THE FUEL TANK CAGE TO COMPLY WITH FMVSS 301.

SYSTEM: FUEL TANK ASSEMBLY; FMVSS 301.VEHICLE DESCRIPTION: SCHOOL BUSES WITH 35 GALLON OR 65 GALLON FUEL TANKS ANDFUEL TANK CAGE SYSTEMS.NOTE: IT IS IMPORTANT THAT ALL AFFECTED BUSES BE REMEDIED. HOWEVER, THE RECALLSHOULD NOT CAUSE PARENTS OR SCHOOL OFFICIALS TO BE UNDULY ALARMED. NHTSA ISUNAWARE OF ANY ACTUAL CRASHES IN WHICH THE FUEL SYSTEM OF A NAVISTAR CHASSISRUPTURED. MANY OF THE SCHOOL BUSES INVOLVED IN THE RECALL HAVE BEEN IN SERVICEFOR MORE THAN 12 YEARS, AND THERE HAS NOT BEEN A SINGLE RECORDED FATALITYBECAUSE OF A FIRE.

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Fuel system, gasoline: Storage: Tank assembly: Mounting07/07/199393V112000

THE FUEL TANK CAGE ASSEMBLY BOLTS MOUNTING THE VERTICAL STRAPS TO THE HORIZONTAL ANGLE WERE ASSEMBLED WITH THE THREADED END OF THE BOLTS FACING THE FUEL TANK.

Consequence

IF THE FUEL TANK CAGE IS STRUCK WITH SUFFICIENT FORCE ITIS POSSIBLE FOR THE BOLTS TO PIERCE THE FUEL TANK AND CAUSE FUEL LEAKAGE.FUEL LEAKAGE EXPOSED TO A SOURCE OF IGNITION CAN RESULT IN A FIRE.

Remedy

THE FUEL TANK CAGE MOUNTING BOLTS WILL BE REMOVED AND REINSTALLED WITH THE BOLT HEAD TOWARD THE TANK.

SYSTEM: FUEL SYSTEM; FUEL TANK ASSEMBLY; FMVSS 301.VEHICLE DESCRIPTION: SCHOOL BUS CHASSIS.

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Steering: Hydraulic power assist: Hose, piping, and connections07/07/199292V096000

THE POWER STEERING RETURN HOSE WAS INCORRECTLY ROUTED, AND COULD KINK AND REDUCE POWER STEERING ASSIST.

Consequence

IF THE POWER STEERING RETURN HOSE KINKS AND THE POWERASSIST IS REDUCED OR LOST, IT COULD RESULT IN LOSS OF STEERING CONTROL ANDAN ACCIDENT.

Remedy

INSTALL A NEW, CORRECTLY ROUTED, POWER STEERING RETURN ASSEMBLY.

SYSTEM: POWER STEERING.VEHICLE DESCRIPTION: SCHOOL BUS.

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Suspension: Rear: Springs: Air suspension system05/21/199393V092000

THE PRESSURE RELIEF VALVE WAS OMITTED IN THE AIR TANK. THE AIR TANK IS THE RESERVOIR FOR THE AIR SUSPENSION AND IS NOT BRAKE RELATED. WITHOUT THE PRESSURE RELIEF VALVE, THERE IS NO BACK-UP SYSTEM TO LIMIT AIR PRESSURE IN THE AIR SUSPENSION SYSTEM.

Consequence

LACK OF A BACK-UP SYSTEM TO LIMIT AIR PRESSURE BUILD UPCAN CAUSE EXCESSIVE PRESSURE IN THE AIR TANK AND CAN CAUSE THE TANK TO RUPTURE.THIS CAN RESULT IN PERSONAL INJURY TO ANYONE IN THE VICINITY.

Remedy

INSTALL A PRESSURE RELIEF VALVE IN THE AIR TANK.

SYSTEM: SUSPENSION.VEHICLE DESCRIPTION: SCHOOL BUSES: MODELS 4700 AND 4900; HEAVY TRUCKS: MODELS3600, 3700, 3800, AND 3900FG; INCOMPLETE CHASSIS: MODEL 1652SC.

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