INTERNATIONAL 4900 1990: STEERING:LINKAGES

General Information

NHTSA Campaign ID Number: 93V040000

Make Model Year
INTERNATIONAL 4900 1990
Date Owners Notified Date Received by ODI Date Added to Database
1993-04-06 1993-03-18 1993-03-25

Production Dates: 1989-01-01 - 1992-09-01

Manufacturers Involved: Navistar, Inc.

Component: STEERING:LINKAGES

Potential Number Of Units Affected: 1076

Report Initiator: MFR MFR Report

Summary

THE TIE ROD USED ON THE DANA FA-64 FRONT DRIVE AXLE HAS A THREADED SLEEVE TO PERMIT TOE-IN ADJUSTMENT WITHOUT REMOVING AN END. THE TIE ROD BAR IS NECKED DOWN TO INCORPORATE THE SLEEVE. A STRESS RISER IS CREATED AT THE THREADED PORTION OF THE ADJUSTMENT SLEEVE WHICH MAY CAUSE A FATIGUE FRACTURE AND FAILURE OF THE TIE ROD WHERE IT SCREWS INTO THE SLEEVE.

Consequence

FAILURE OF THE TIE ROD ON THE FRONT AXLE RESULTS IN LOSSOF STEERING CONTROL AND A POSSIBLE VEHICLE CRASH.

Remedy

REPLACE THE TIE ROD WITH A TIE ROD THAT DOES NOT USE AN ADJUSTMENT SLEEVE.

Notes

SYSTEM: STEERING.VEHICLE DESCRIPTION: MEDIUM-WEIGHT TRUCKS EQUIPPED WITH DANA FA-64 FRONT DRIVEAXLES.