NHTSA Campaign 91V090000

VISIBILITY:WINDSHIELD WIPER/WASHER:LINKAGES

Issued by PACCAR, INCORPORATED · Reported Jun 10, 1991 · 15,000 vehicles affected

What's wrong

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.

Vehicles affected by this recall

Make Model Year Units
KENWORTH C500 1989 15,000
KENWORTH C500 1990 15,000
KENWORTH C500 1991 15,000
KENWORTH T400 1989 15,000
KENWORTH T400 1990 15,000
KENWORTH T400 1991 15,000
KENWORTH T450 1989 15,000
KENWORTH T450 1990 15,000
KENWORTH T450 1991 15,000
KENWORTH T600A 1989 15,000
KENWORTH T600A 1990 15,000
KENWORTH T600A 1991 15,000
KENWORTH T800 1989 15,000
KENWORTH T800 1990 15,000
KENWORTH T800 1991 15,000
KENWORTH W900B 1989 15,000
KENWORTH W900B 1990 15,000
KENWORTH W900B 1991 15,000

Source: NHTSA Campaign 91V090000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.