Mack recall: Steering
NHTSA campaign 26V509000 · Manufacturer no. SC0497 · Reported Aug 6, 2026 · 341 units · Vehicle recall
What's wrong
The steering gearbox fasteners may loosen.
Why it matters
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. Additional letters will be sent once the final remedy is available.
Affected vehicles
| Make | Model | Years |
|---|---|---|
| Mack | TERRAPRO (TE) | 2025 |
Filed by Mack Trucks, Inc.. Components: STEERING:CRITICAL FASTENERS; STEERING:GEAR BOX:MOUNTING BRACKET.
Full NHTSA text
Defect: Mack Trucks, Inc. (Mack) is recalling certain 2025 TerraPro trucks. The steering gearbox fasteners may loosen.
Consequence: A loose steering gearbox can result in a loss of steering, increasing the risk of a crash.
Remedy: 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.
Check your VIN at nhtsa.gov/recalls or call your dealer. Repairs under a safety recall are free.