1986 International Harvester CARGOSTAR SERIES recalls

TRUCK TRACTOR TO TRAILER HOSES INSTALLED ON THESE TRUCKS MAY NOT MEET ADHESION REQUIREMENTS OF FMVSS 106, HYDRAULIC BRAKE HOSES. THE HOSE OUTER COVER AND BRAID DID NOT WITH STAND TENSILE FORCE REQUIRED BY THE STANDARD. CONSEQUENCE OF DEFECT: THE HOSE MAY FAIL CAUSING PARTIAL LOSS OF BRAKING CAPABILITY WHICH COULD LEAD TO A CRASH IF ALL WARNINGS RELATED TO POSSIBLE HOSE FAILURE WERE TO GO UNHEEDED.

Remedy

REPLACE HOSE ASSEMBLY IF OF THE SUSPECT DATE CODE.

SYSTEM: AIR BRAKES COUPLING HOSE/FMVSS 106. VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS.

THE FUEL INJECTION PUMP THROTTLE SHAFT BUSHING MAY BE CONTAMINATED WITH A HEAT SENSITIVE LIQUID POLYMER WHICH CAN SOLIDIFY ON THE BUSHING AT NORMAL ENGINE OPERATING TEMPERATURE AND CAUSE THE THROTTLE TO STICK. CONSEQUENCE OF DEFECT: THROTTLE LEVER MAY STICK AND NOT RETURN TO LOW IDLE POSITION AFTER ACCELERATOR PEDAL IS RELEASED. THIS COULD RESULT IN LOSS OF VEHICLE CONTROL AND LEAD TO A VEHICLE CRASH WITHOUT PRIOR WARNING.

Remedy

REPLACE FUEL INJECTION PUMP GOVERNOR HOUSING WITH A NEW HOUSING CONTAINING NEW BUSHINGS FREE OF CONTAMINATION.

SYSTEM: FUEL INJECTOR PUMP. VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS.

ENGINE AND BRAKE BACKUP SYSTEM HAVE COMMON ELECTRICAL POWER SOURCE; ENGINE COULD DIE FROM ELECTRICAL FAILURE OF THE MAIN POWER FEED FROM THE ALTERNATOR.

Consequence

THIS COULD RESULT IN BRAKE FAILURE WHICH COULD RESULT INA CRASH WITHOUT PRIOR WARNING.

Remedy

SEPARATE ENGINE AND BRAKE BACK UP CIRCUITS.

SYSTEM: ELECTRICAL.VEHICLE DESCRIPTION: CARGOSTAR AND S SERIES 1600-2100 MODEL TRUCKS AND BUSES.