NHTSA Campaign Id 79V095000; Date: Apr. 16, 1979
1978 International Harvester 1600; 1979 International Harvester 1600; 1978 International Harvester 1700; 1979 International Harvester 1700; 1978 International Harvester 1800; 1979 International Harvester 1800; 1978 International Harvester 1900; 1979 International Harvester 1900
Component: Service Brakes, Hydraulic:foundation Components:master Cylinder
Manufactured by: International Harvester
Affected Units:: 667
Defective bolts may have been used to mount the brake master cylinder to the cab firewall, resulting in bolt fracture. Fracture of all the master cylinder mounting bolts would allow separation of the master cylinder from its mounting.
Defective mounting bolts will be replaced without charge to owner.
Vehicle description: medium trucks equipped with single hydraulic brakesystems. System: service brakes; master cylinder, mounting bolts. Consequences of defect: separation of the master cylinder can result in loss ofservice brakes, loss of vehicle control and an accident.
Date Owners notified by Manufacturer: May 11, 1979
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