Steering: critical fastenersRecall 26V-509 · 2025 Mack Terrapro (te)
Mack Trucks, Inc. recall 26V-509 covers 341 2025 Mack Terrapro (te) for a steering: critical fasteners problem, reported to NHTSA on August 6, 2026.
Source: NHTSA recall 26V509000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
Mack Trucks, Inc. (Mack) is recalling certain 2025 TerraPro trucks. The steering gearbox fasteners may loosen.
The risk
A loose steering gearbox can result in a loss of steering, increasing the risk of a crash.
The fix
Dealers will inspect and tightened or replace the fasteners as necessary, free of charge. Interim letters notifying owners of the safety risk were mailed September 21, 2026. Additional letters will be sent once the final remedy is available. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0497.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
Vehicles in this recall
Built from October 2, 2024 to December 20, 2024. Not every vehicle in these model years is included; check by VIN.