international harvester transtar series 1975 Recalls Check Results

SUMMARY

THE INVOLVED VEHICLES DO NOT CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS". THE WASHERS USED TO SPACE THE ANTI-LOCK SENSOR BRACKET AWAY FROM THE BRAKE SPIDER WERE OMITTED DURING ASSEMBLY. THIS OMISSION COULD CAUSE THE SENSOR BRACKET TO BE DEFORMED. BRAKING CAPABILITY COULD BE PARTIALLY LOST.

CONSEQUENCE

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REMEDY

THE DEALER WILL INSTALL TWO WASHERS AND REPLACE SENSORS AND AIR CONTROL VALVES ON ALL AFFECTED VEHICLES.

NOTES

VEHICLE DESCRIPTION: HEAVY TRUCKS.SYSTEM: BRAKES; ANTI-LOCK SENSOR BRACKET.CONSEQUENCES OF DEFECT: THIS CONDITION CAN CAUSE THE SENSOR TO BE MISALIGNEDWITH THE SLOTS ON THE EXCITER RING WHICH IS MOUNTED ON THE WHEEL HUB. LOSS OFVEHICLE CONTROL AND AN ACCIDENT COULD OCCUR WITHOUT PRIOR WARNING.

SUMMARY

AS A RESULT OF SEVERE SHOCK AND VIBRATIONS, THE BRAKE SPIDERS ON THE INVOLVED VEHICLES MAY DEVELOP CRACKS NEAR THE CAMSHAFT MOUNTING BOSS. THE CRACK PROPAGATES ACROSS THE SPIDER UNTIL THE CAMSHAFT BOSS IS COMPLETELY SEVERED FROM THE REMAINDER OF THE SPIDER. WHEN THE CAMSHAFT BOSS HAS COMPLETELY SEVERED, THE S-CAM, S-CAM BRACKET, AIR CHAMBER AND SLACK ADJUSTER CAN FALL AWAY FROM THE BRAKE SPIDER RESULTING IN A "NO BRAKE" CONDITION ON THE WHEEL.

CONSEQUENCE

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REMEDY

THE DEALER WILL REPLACE THE FRONT BRAKE SPIDERS ON ALL AFFECTED VEHICLES USED IN SNOW PLOW DUMP AND REFUSE HAULING APPLICATIONS. THIS WILL BE DONE AT NO CHARGE.

NOTES

VEHICLE DESCRIPTION: MEDIUM AND HEAVY TRUCKS EQUIPPED WITH EATON 16-1/2 BY 5INCH S-CAM.SYSTEM: SERVICE BRAKES: BRAKE SPIDERS.CONSEQUENCES OF DEFECT: PARTIAL LOSS OF FRONT BRAKING CAPABILITY AND IMBALANCESCAN AFFECT VEHICLE STABILITY DURING SUDDEN STOPS. THIS CAN CONTRIBUTE TO AVEHICLE ACCIDENT.

SUMMARY

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CONSEQUENCE

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REMEDY

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NOTES

INTERNATIONAL HARVESTER CAMPAIGN NO 75503.TRANSTAR CO,TRANSTAR CONV.,PAYSTAR,LOADSTAR,CARGOSTAR,FLEETSTAR.POSSIBILITY THAT THE CAM BRAKE ANCHORPINS WERE IMPROPERLY PROCESSED (HARDENED).IF CAM BRAKE ARE ASSEMBLED USINGIMPROPERLY PROCESSED ANCHOR PINS, A FRACTURE OF PIN COULD OCCUR DURING BRAKEAPPLICATION, CAUSING LOSS OF PROPER TENSION OF THE BRAKE SHOES AND REDUCTION INTHE EFFECTIVENESS OF THE BRAKES.(CORRECT BY INSPECTING AND REPLACING ANCHORPINS WITH PROPERLY HARDENED ANCHOR PINS).

SUMMARY

THE DEFICIENCY EXISTS IN THE FRONT AXLE FORGED ALUMINUM HUBS. THE DEFICIENCY WHICH IS IN THE BARREL SECTION BETWEEN THE INNER AND OUTER BEARING, MAY RESULT IN CRACKS WHICH COULD LEAD TO HUB FAILURE. WHEN HUB FAILURE OCCURS, THE SEPARATED HUB IS RETAINED ON THE AXLE SPINDLE BY THE WHEEL BEARING AND ADJUSTING NUT.

CONSEQUENCE

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REMEDY

THE DEALER WILL REPLACE THE FORGED ALUMINUM HUBS WITH STEEL HUBS, AT NO CHARGE.

NOTES

VEHICLE DESCRIPTION: MEDIUM AND HEAVY TRUCKS.SYSTEM: SUSPENSION; WHEELS, FRONT AXLE HUBS.CONSEQUENCES OF DEFECT: CONTINUED VEHICLE OPERATION COULD ALLOW THE SEPARATEDHUB WITH THE WHEEL AND TIRE TO BECOME DISENGAGED FROM THE VEHICLE. THISCONDITION COULD RESULT IN LOSS OF VEHICLE CONTROL AND AN ACCIDENT.NOTE: ADVANCE FAILURE WARNING WILL OCCUR IN THE FORM OF WHEEL BEARING LUBELEAKS ON THE WHEEL RIM OR TIRE. IN THE EVENT HUB FAILURE OCCURS DURING VEHICLEOPERATION, WARNINGS TO THE OPERATOR WILL OCCUR IN THE FORM OF AN AUDIBLE SOUND,WHEEL VIBRATION AND THE STEERING FEEL OF A SEVERELY UNDERINFLATED TIRE.

SUMMARY

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CONSEQUENCE

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REMEDY

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NOTES

INTERNATIONAL CAMPAIGN NO 77509.TRUCKS LOADSTAR, FLEETSTAR, CARGOSTAR,TRAMSTAR, PAYSTAR, CONCO, 1971 THRU 1975 TO DATE.POSSIBILITY THAT VARIOUSMALFUNCTIONS OF THE ANTI-LOCK COMPUTERS MODULE SYSTEM CAN RANGE FROMILLUMINATION OF THE ANTI-LOCK FAILURE WARNING LIGHT WITH NO APPARENT EFFECT ONTHE VEHICLE BRAKING SYSTEM TO A MOMENTARY LOSS OF BRAKE EFFECTIVENESS ON ONE ORMORE AXLES.(CORRECT BY INSPECTING AND REPLACING COMPUTER MODULE).