Brake timing/fmvss 121
Defect Summary
Mack trucks is recalling certain model year 2008-2010 trucks which fail to comply with the requirements of federal motor vehicle safety standard no. 121, "air brake systems."
Safety Consequence
Failure to conform to the requirements increases the application and release time of the service brakes, which could potentially result in a vehicle crash.
Corrective Action
Dealers will rework the air system free of charge. the safety recall began o january 12, 2010. owners may contact mack trucks at 1-800-528-6586.
Similar Recalls
Other recalls from Mack Trucks, Inc. or involving N/A.
FAQ: Recall 09V395000
Your rights, the repair process, and what each field on this page means.
What is recall 09V395000?
NHTSA recall 09V395000 was issued by Mack Trucks, Inc. on October 6, 2009. It addresses: Brake timing/fmvss 121. The recall affects approximately 921 vehicles, with the defect involving the N/A component.
How do I get this recall repaired?
Contact any authorized Mack Trucks, Inc. dealer and reference NHTSA recall ID 09V395000 or the manufacturer campaign number SC0343. 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.