NHTSA recall 91V090000
Visibility › Windshield wiper/washer › Linkages
Kenworth C500 and 5 more
The defect
Sprague wiper assembly pivot can seize due to galvanic corrosion between the zinc-plated steel shaft and the bronze bushings.
The risk
This corrosion can cause wiper arm/blade assembly to stopwiping windshield, this could affect driver visibility and result in anaccident.
The remedy
Replace sprague wiper assembly pivot with an assembly not susceptible to galvanic corrosion.