NHTSA Campaign Id 74V155000; Date: Sep. 16, 1974
1974 International Harvester 1600; 1974 International Harvester 1603; 1974 International Harvester 1700; 1974 International Harvester 1703; 1974 International Harvester 1800; 1974 International Harvester 1803; 1974 International Harvester Co1610b; 1974 International Harvester Co1710b; 1974 International Harvester Co1810b; 1974 International Harvester Co1850b; 1974 International Harvester F1800; 1974 International Harvester F1850
Component: Service Brakes, Hydraulic:power Assist:vacuum:hoses, Lines/piping, And Fittings
Manufactured by: Navistar Intl Corp.
Affected Units:: 7,980
International harvester campaign no 74508. Possibility that an incorrectvacuum hose was installed in the hydraulic brake system, from the engine to thepower brake assembly. This incorrect hose may restrict vacuum flow to thepower brake assembly under panic stop situations, thereby, increasing brakingefforts. (correct by inspecting and replacing vacuum hose. )
Date Owners notified by Manufacturer: Oct 9, 1974
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