KENWORTH UNSPECIFIED 1991: STEERING:GEAR BOX (OTHER THAN RACK AND PINION)

General Information

NHTSA Campaign ID Number: 91V210000

Make Model Year
KENWORTH UNSPECIFIED 1991
Date Owners Notified Date Received by ODI Date Added to Database
1991-10-02 1991-12-03 1991-12-06

Production Dates: 1990-12-01 - 1991-02-01

Manufacturers Involved: PACCAR Incorporated

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

Potential Number Of Units Affected: 950

Report Initiator: MFR MFR Report

Summary

TRW SUPPLIED POWER STEERING GEARS WITH NON-HEAT-TREATED WORM SCREWS. THE STEERING GEARS WITHOUT HEAT TREATED WORM SCREWS CAN LOCK UP IN TIGHT TURNING MANEUVERS.

Consequence

LOCK UPS OF THE STEERING GEAR CAUSES LOSS OF STEERINGCONTROL AND COULD RESULT IN AN ACCIDENT.

Remedy

REPLACE THE NON-HEAT-TREATED WORM SCREWS.

Notes

SYSTEM: STEERING GEARS.VEHICLE DESCRIPTION: KENWORTH TRUCKS EQUIPPED WITH TAS65007 POWER STEERING GEARSAND MANUFACTURED IN SEATTLE AND ST. THERESE.