Brake timing/fmvss 121
Defect Summary
Certain trucks fail to comply with the brake timing regulatory requirements of federal motor vehicle safety standard no. 121, "air brake systems." the brake valve was moved to the opposite rail, increasing the length of the air line, which in turn increased the wheelbase requiring a dual relay valve system. the vehicles were manufactured with a single valve system.
Safety Consequence
If stopping distance was limited, a vehicle crash could result.
Corrective Action
Dealers will convert the single relay valve to a dual relay valve system free of charge. the recall began on may 21, 2007. owners may contact kenworth at 425-828-5440.
Similar Recalls
Other recalls from Paccar Incorporated or involving N/A.
FAQ: Recall 07V090000
Your rights, the repair process, and what each field on this page means.
What is recall 07V090000?
NHTSA recall 07V090000 was issued by Paccar Incorporated on March 9, 2007. It addresses: Brake timing/fmvss 121. The recall affects approximately 65 vehicles, with the defect involving the N/A component.
How do I get this recall repaired?
Contact any authorized Paccar Incorporated dealer and reference NHTSA recall ID 07V090000 or the manufacturer campaign number 07KW2. 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.