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.