Air brake reservoir too small/fmvss 121
Defect Summary
Mack trucks, inc. (mack) is recalling certain model year 2014-2015 cxu trucks manufactured june 1, 2013, to november 28, 2014. these trucks may be equipped with an 88 liter air reservoir for the brakes instead of a 96 liter air reservoir. The lower volume of air may result in increased distances being needed to stop the truck. as such, these vehicles fail to comply with the requirements of federal motor vehicle safety standard no. 121, "air brake systems."
Safety Consequence
If the truck unexpectedly requires extra distance to stop, there is an increased risk of a crash.
Corrective Action
Mack will notify owners, and dealers will install a larger air brake reservoir tank, free of charge. The recall began april 1, 2015. Owners may contact mack customer service at 1-800-528-6586. mack's number for this recall is sc0389.
Similar Recalls
Other recalls from Mack Trucks, Inc. or involving Service Brakes, Air.
FAQ: Recall 15V057000
Your rights, the repair process, and what each field on this page means.
What is recall 15V057000?
NHTSA recall 15V057000 was issued by Mack Trucks, Inc. on February 3, 2015. It addresses: Air brake reservoir too small/fmvss 121. The recall affects approximately 85 vehicles, with the defect involving the Service Brakes, Air component.
How do I get this recall repaired?
Contact any authorized Mack Trucks, Inc. dealer and reference NHTSA recall ID 15V057000 or the manufacturer campaign number SC0389. 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.