Air lines routing may result in reduced braking
Defect Summary
Kenworth is recalling certain model year 2012 and 2013 t270 and t370 medium duty trucks built with eaton ultrashift transmissions between december 7, 2011, and april 6, 2012. the air harness from the treadle valve on the affected vehicles was routed in a manner that can cause the air brake lines to be pinched between the cab and the electronic clutch actuator of the eaton ultrashift transmission. significant movement between the cab and transmission can cause progressive wear and an eventual leak in the air lines.
Safety Consequence
Air lines which leak can cause reduced brake function, which may result in a crash.
Corrective Action
Kenworth will notify owners, and dealers will repair the vehicles free of charge. the safety recall began on november 30, 2012. owners may contact kenworth at 1-425-828-5000.
Similar Recalls
Other recalls from Paccar Incorporated or involving Service Brakes, Air.
FAQ: Recall 12V530000
Your rights, the repair process, and what each field on this page means.
What is recall 12V530000?
NHTSA recall 12V530000 was issued by Paccar Incorporated on October 12, 2012. It addresses: Air lines routing may result in reduced braking. The recall affects approximately 15 vehicles, with the defect involving the Service Brakes, Air component.
How do I get this recall repaired?
Contact any authorized Paccar Incorporated dealer and reference NHTSA recall ID 12V530000 or the manufacturer campaign number 12KWH. Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.