INTERNATIONAL HARVESTER S1800 1977: STEERING:GEAR BOX (OTHER THAN RACK AND PINION)

General Information

NHTSA Campaign ID Number: 83V001000

Make Model Year
INTERNATIONAL HARVESTER S1800 1977
Date Owners Notified Date Received by ODI Date Added to Database
1983-01-24 1983-01-10 1983-01-17

Production Dates: 1976-11-01 - 1982-12-01

Manufacturers Involved: INTERNATIONAL TRUCK & ENGINE CORPORATION

Component: STEERING:GEAR BOX (OTHER THAN RACK AND PINION)

Potential Number Of Units Affected: 3500

Report Initiator: MFR MFR Report

Summary

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.

Remedy

THE DEALER WILL REMOVE ORIGINAL OUTPUT SHAFT FROM STEERING GEAR AND REPLACE IT WITH A NEW CASE-HARDENED SHAFT FREE OF CHARGE.

Notes

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.