ISUZU W-7 1991: POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT

General Information

NHTSA Campaign ID Number: 91V015000

Make Model Year
ISUZU W-7 1991
Date Owners Notified Date Received by ODI Date Added to Database
1990-12-09 1991-02-15 1991-02-28

Production Dates: 1990-05-01 - 1990-10-01

Manufacturers Involved: Isuzu Motors Limited

Component: POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT

Potential Number Of Units Affected: 324

Report Initiator: MFR MFR Report

Summary

BEARINGS USED IN THE REAR AXLE HUBS ON THESE VEHICLES ARE IMPROPERLY MACHINED; BEARING COULD SEIZE AT LOW MILEAGES BEFORE SUFFICIENT RUN IN IS ACHIEVED.

Consequence

IF THE BEARING SIEZED, THE AXLE HUB WOULD BE NOISY ATBEST, AND IN THE WORST CASE, THE AXLE SHAFT COULD FALL OUT CAUSING LOSS OFVEHICLE CONTROL WHICH MAY RESULT IN AN ACCIDENT.

Remedy

INSTALL NEW REAR WHEEL INNER AND OUTER BEARINGS.

Notes

SYSTEM: REAR AXLE HUBS.VEHICLE DESCRIPTION: HEAVY TRUCKS.NOTE: THIS BEARING CONDITION IS KNOWN TO AFFECT ONLY THE REAR WHEEL AXLEBEARINGS MANUFACTURED BY KOYO. KOYO IS STAMPED ON THE BEARING INNER AND OUTERRINGS FOR IDENTIFICATION.