Vehicle recall 91V090000 · June 10, 1991
Kenworth C500, T400 and 4 more models
Sprague wiper assembly pivot can seize due to galvanic corrosion between the zinc-plated steel shaft and the bronze bushings.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- 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.
Recall details
- NHTSA campaign
- 91V090000
- Reported to NHTSA
- June 10, 1991
- Filed by
- PACCAR, INCORPORATED
- Owner notification
- September 30, 1991
- Vehicles potentially affected
- 15,000
- Initiated by
- the manufacturer
- Components
- Visibility › Windshield wiper/washer › Linkages
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Kenworth C500 (1989-1991): 1991, 1990, 1989
- Kenworth T400 (1989-1991): 1991, 1990, 1989
- Kenworth T450 (1989-1991): 1991, 1990, 1989
- Kenworth T600A (1989-1991): 1991, 1990, 1989
- Kenworth T800 (1989-1991): 1991, 1990, 1989
- Kenworth W900B (1989-1991): 1991, 1990, 1989
Has your Kenworth been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Kenworth dealer can also check your VIN. Recall repairs are free.