KENWORTH W900B 1989: VISIBILITY:WINDSHIELD WIPER/WASHER:LINKAGES

General Information

NHTSA Campaign ID Number: 91V090000

Make Model Year
KENWORTH W900B 1989
Date Owners Notified Date Received by ODI Date Added to Database
1991-09-30 1991-06-10 1991-06-20

Production Dates: 1988-05-01 - 1990-08-01

Manufacturers Involved: PACCAR Incorporated

Component: VISIBILITY:WINDSHIELD WIPER/WASHER:LINKAGES

Potential Number Of Units Affected: 15000

Report Initiator: MFR MFR Report

Summary

SPRAGUE WIPER ASSEMBLY PIVOT CAN SEIZE DUE TO GALVANIC CORROSION BETWEEN THE ZINC-PLATED STEEL SHAFT AND THE BRONZE BUSHINGS.

Consequence

THIS CORROSION CAN CAUSE WIPER ARM/BLADE ASSEMBLY TO STOPWIPING WINDSHIELD, THIS COULD AFFECT DRIVER VISIBILITY AND RESULT IN ANACCIDENT.

Remedy

REPLACE SPRAGUE WIPER ASSEMBLY PIVOT WITH AN ASSEMBLY NOT SUSCEPTIBLE TO GALVANIC CORROSION.

Notes

SYSTEM: WIPER ASSEMBLY PIVOT.VEEHICLE DESCRIPTION: HEAVY TRUCKS EQUIPPED WITH SPRAGUE WIPER ASSEMBLY PIVOT.