NHTSA Campaign Id 00V148000; Date: May. 23, 2000
An increase in stopping distance at slow engine speeds can result, increasing the possibility of a crash.
2000 International Harvester 3400; 2000 International Harvester 3800; 2000 International Harvester 4700 4x2; 2000 International Harvester 4700 Lp; 2000 International Harvester 4700 Lpx; 2000 International Harvester Re Bus; 2000 International Harvester Re Cmrcl
Component: Steering:hydraulic Power Assist:pump
Manufactured by: International Truck And Engine
Affected Units:: 4,534
Vehicle description: school/transit buses and medium duty trucks. The castings used on the power steering pumps were not built to match the engineering drawings, resulting in a thin wall in the pump casting or a complete connection of two passages that are supposed to be separated to control fluid flow. The fluid flow may be reduced to less than the minimum required flow rate to provide full power assist to the brake system with low engine speed.
Dealers will inspect and replace all pumps that have the defective casting numbers.
Owner notification began may 31, 2000. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact International at 1-800-448-7825. Also contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-dot (1-888-327-4236).
Date Owners notified by Manufacturer: May 31, 2000
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