INTERNATIONAL HARVESTER 3600 1992: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS

General Information

NHTSA Campaign ID Number: 93V188000

Make Model Year
INTERNATIONAL HARVESTER 3600 1992
Date Owners Notified Date Received by ODI Date Added to Database
1993-11-23 1993-11-12 1993-11-29

Production Dates: 1991-11-01 - 1993-09-01

Manufacturers Involved: INTERNATIONAL TRUCK & ENGINE CORPORATION

Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS

Potential Number Of Units Affected: 942

Report Initiator: MFR MFR Report

Summary

THE HYDRAULIC STEEL BRAKE LINES FROM THE MASTER CYLINDER TO THE FRAME FITTINGS ARE EXPERIENCING VERTICAL FLEXING WHICH CAUSES FATIGUE CRACKS AT THE FRAME END OF THE ASSEMBLY, RESULTING IN BRAKE FLUID LEAKAGE. THIS CAN OCCUR IN ONE OR BOTH OF THE STEEL BRAKE LINES. IN EITHER CASE, THE BRAKE WARNING LIGHT WILL COME ON AND THE LOW PRESSURE BUZZER WILL ACTIVATE.

Consequence

SHOULD A CRACK AND LEAKAGE DEVELOP IN ONE OF THE LINES,HALF OF THE BRAKING SYSTEM CAPABILITY COULD BE LOST, IMPAIRING THE STOPPINGABILITY OF THE VEHICLE. IF BOTH BRAKE LINES FAIL, THE ENTIRE SERVICE BRAKINGSYSTEM WILL BECOME INOPERATIVE. IN EITHER CASE, AN ACCIDENT COULD RESULT,CAUSING DAMAGE TO THE VEHICLE AND PERSONAL INJURY.

Remedy

NAVISTAR DEALERS WILL INSTALL A NEW, REDESIGNED PRIMARY AND SECONDARY BRAKE LINE FROM THE MASTER CYLINDER TO THE FRAME RAIL FITTINGS.

Notes

SYSTEM: BRAKES; HYDRAULIC; LINES; METALLIC.VEHICLE DESCRIPTION: SCHOOL BUSES EQUIPPED WITH HYDRAULIC BRAKES.NOTE: IF YOUR VEHICLE IS PRESENTED TO AN AUTHORIZED DEALER ON AN AGREED UPONSERVICE DATE AND THE REMEDY IS NOT PROVIDED WITHIN A REASONABLE TIME AND FREEOF CHARGE OR THE REMEDY DOES NOT CORRECT THE DEFECT OR NONCOMPLIANCE, YOU CANOBTAIN ASSISTANCE BY FOLLOWING THE PROCEDURE DESCRIBED IN THE OWNER ASSISTANCEGUIDE OF YOUR OWNER'S MANUAL. ALSO, CONTACT THE NATIONAL HIGHWAY TRAFFICSAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-800-424-9393.