NHTSA Campaign Id 83V001000; Date: Jan. 10, 1983
1977 International Harvester S1700; 1978 International Harvester S1700; 1979 International Harvester S1700; 1980 International Harvester S1700; 1981 International Harvester S1700; 1982 International Harvester S1700; 1983 International Harvester S1700; 1977 International Harvester S1800; 1978 International Harvester S1800; 1979 International Harvester S1800; 1980 International Harvester S1800; 1981 International Harvester S1800; 1982 International Harvester S1800; 1983 International Harvester S1800; 1977 International Harvester S1900; 1978 International Harvester S1900; 1979 International Harvester S1900; 1980 International Harvester S1900; 1981 International Harvester S1900; 1982 International Harvester S1900; 1983 International Harvester S1900; 1977 International Harvester S2100; 1978 International Harvester S2100; 1979 International Harvester S2100; 1980 International Harvester S2100; 1981 International Harvester S2100; 1982 International Harvester S2100; 1983 International Harvester S2100; 1977 International Harvester S2200; 1978 International Harvester S2200; 1979 International Harvester S2200; 1980 International Harvester S2200; 1981 International Harvester S2200; 1982 International Harvester S2200; 1983 International Harvester S2200; 1977 International Harvester S2500; 1978 International Harvester S2500; 1979 International Harvester S2500; 1980 International Harvester S2500; 1981 International Harvester S2500; 1982 International Harvester S2500; 1983 International Harvester S2500
Component: Steering:gear Box (other Than Rack And Pinion)
Manufactured by: International Harvester
Affected Units:: 3,500
Under certain circumstances, the output shaft of the steering gear may develop cracks at a location between the gear and the pitman arm mounting. The suspect component is found on steering gears with the code 05057. Continued operation may result in fracture and disconnection of the steering linkage.
The dealer will remove original output shaft from steering gear and replace it with a new case-hardened shaft free of charge.
Vehicle description: heavy trucks equipped with 9000 lb front axle. System: steering system; steering gear output shaft. Consequences of defect: the pitman arm transmits steering movements from thesteering gear to the steering linkages. If cracks develop in the output shaftof the steering gear, and the shaft breaks, the pitman arm will detach andsteering control will be lost. Loss of vehicle control and an accident canresult.
Date Owners notified by Manufacturer: Jan 24, 1983
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