Vehicle recall 11V281000 · May 10, 2011
2011-2012 Kenworth T440
The omission of the quick release air valve may allow the full truck service brake air line gladhand release timing to exceed the threshold of 0.75 seconds by 1/10th of a second,…
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- Paccar is recalling certain model year 2011-2012 kenworth T440 tractors manufactured between October 18, 2010, and February 9, 2011 for failing to comply with federal motor vehicle safety standard no. 121, "air brake systems." the quick release air valve required in the full truck service brake air line gladhand connection may not have been installed. The omission of the quick release air valve may allow the full truck service brake air line gladhand release timing to exceed the threshold of 0.75 seconds by 1/10th of a second, thereby failing to comply with the with the requirements of the safety standard.
- Consequence
- The service brake of a towed vehicle or trailer may have a delayed release, increasing the risk of a crash.
- Remedy
- Kenworth dealers will install the quick release air valve in the full truck service brake air line with gladhand connection. All of the vehicles have been repaired, therefore, an owner notification letter will not be issued for this campaign. The recall began on June 23, 2011. Owners may contact paccar at 1-425-468-7400.
- Notes
- Kenworth safety recall no. 11KWC. Owners may also contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to http://www.safercar.gov.
Recall details
- NHTSA campaign
- 11V281000
- Reported to NHTSA
- May 10, 2011
- Filed by
- PACCAR INCORPORATED
- Manufacturer campaign
- 11KWC
- Owner notification
- June 23, 2011
- Vehicles potentially affected
- 3
- Initiated by
- the manufacturer
- Components
- Service brakes, air › Supply › Quick release valve
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Kenworth T440 (2011-2012): 2012, 2011
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.