Vehicle recall 14V553000 · September 11, 2014
Mack CHU, Granite (gu) and 1 more model
In the affected vehicles, the bolts that attach the seat belt to the seat frame may not have been torqued to the required specification.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- Mack Trucks, Inc. (Mack) is recalling certain 2015 CHU, CXU, and GU trucks manufactured June 4, 2014, through June 18, 2014. In the affected vehicles, the bolts that attach the seat belt to the seat frame may not have been torqued to the required specification. This could cause the bolts to loosen over time, allowing the seat belt to detach.
- Consequence
- If the seat belt detaches from its mounts, the seat belt would fail to properly restrain to the seat occupant, increasing the risk of injury in the the event of a crash.
- Remedy
- Mack will notify owners, and dealers will tighten the bolts to the required specification, free of charge. The recall began in October 2014. Owners may contact Mack customer service at 1-800-528-6586. Mack's number for this recall is SC0383.
- Notes
- 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.
Recall details
- NHTSA campaign
- 14V553000
- Reported to NHTSA
- September 11, 2014
- Filed by
- Mack Trucks, Inc.
- Manufacturer campaign
- SC0383
- Owner notification
- October 16, 2014
- Vehicles potentially affected
- 381
- Initiated by
- the manufacturer
- Components
- Seat belts
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Mack CHU (2015): 2015
- Mack Granite (gu) (2015): 2015
- Mack Pinnacle (cxu) (2015): 2015
Has your Mack been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Mack dealer can also check your VIN. Recall repairs are free.