NHTSA Campaign Id 78V110000; Date: May. 17, 1978
1975 International Harvester Conventional Series; 1976 International Harvester Conventional Series; 1977 International Harvester Conventional Series; 1978 International Harvester Conventional Series; 1975 International Harvester Transtar Series; 1976 International Harvester Transtar Series; 1977 International Harvester Transtar Series; 1978 International Harvester Transtar Series
Component: Service Brakes, Air:antilock:abs Warning Light
Manufactured by: International Harvester
Affected Units:: 1,538
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.
The dealer will install two washers and replace sensors and air control valves on all affected vehicles.
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.
Date Owners notified by Manufacturer: Jun 23, 1978
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