NHTSA campaign 13V492000 · Mack campaign SC0371
Mack Recall 13V-492: Loose Spindle Nuts may cause Hub Separation
NHTSA recall 13V492000 (Mack campaign SC0371) was reported by Mack Trucks, Inc. on October 17, 2013, with 1,155 vehicles potentially affected (per NHTSA). NHTSA's record lists the Mack CHU, Mack GRANITE (GU), Mack LEU and more for model years 2013–2014. Owners were notified on November 12, 2013, per NHTSA.
Updated daily from NHTSA's recall files
Is my vehicle included?
This page lists, by model year, the vehicles NHTSA's recall record names for campaign 13V492000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.
To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.
Free VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 13V492000 (also written 13V-492 or 13V492)
- Filed by
- Mack Trucks, Inc.
- Mack campaign number
- SC0371
- Report received
- Potentially affected
- 1,155 vehicles (per NHTSA)
- Component
- Power Train — Axle Hubs
- Owners notified
Repair completion: 90.13% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.
Vehicles listed for this recall
NHTSA's recall record lists these vehicles for recall 13V492000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.
Mack
Mack CHU
Mack GRANITE (GU)
Mack LEU
Mack MRU
Mack PINNACLE (CXU)
NHTSA's recall notice
As NHTSA's recall record states it for campaign 13V492000.
Defect description
Mack Trucks is recalling certain model year 2013-2014 CHU, CXU, GU, LEU, and MRU vehicles manufactured with pro-torque axle spindle nuts from August 28, 2012, through August 16, 2013. The pro-torque nut may not have been installed correctly, which may result in a loosening of the nut.
Safety consequence
If the nut comes loose, the hub assembly may separate from the vehicle, increasing the risk of a crash.
Manufacturer remedy
Mack Trucks will notify owners, and dealers will inspect and repair the vehicles, as necessary, free of charge. The recall began on November 12, 2013. Mack's recall number is SC0371. Owners may contact Mack Trucks at 1-336-393-2000.
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.
Sources
Official NHTSA notice for recall 13V492000
Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.