2011–2016 Mack Granite (gu) Recall: Affected trucks may be equipped with an air brake system reservoir that…
NHTSA campaign 15V528000 · Service Brakes, Air · filed Aug 18, 2015 · verified Jul 30, 2026
The defect
Mack Trucks, Inc. (Mack) is recalling certain model year 2011-2016 Granite (GU) trucks manufactured September 24, 2011, to July 1, 2015. The affected trucks may be equipped with an air brake system reservoir that does not have a sufficient volume. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems."
The risk
If the air brake system reservoir has as insufficient volume, braking performance may be affected, increasing the risk of a crash.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
Mack will notify owners, and dealers will add additional air brake reservoir volume, free of charge. The recall began on October 15, 2015. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0394.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Affected vehicles
Related recalls
More Mack Granite (gu) recalls
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- 2019–2025 Mack Granite (GR) and 1 other model — Tires may not have been DOT tested and confirmed to be…
- 2015–2023 Mack Granite (GR) and 1 other model — Turn signals may be positioned incorrectly, reducing their…
- 2020–2021 Mack Granite (gu) — Lower rear pivot cap screws may not be long enough to…
- 2021–2022 Mack Anthem (an) and 5 other models — Hubcap compression spring can cause the hubcap to separate
Other campaigns involving Mack vehicles
Source: NHTSA recall database, campaign 15V528000 (manufacturer number SC0394). Data last verified Jul 30, 2026.