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NHTSA recall,

Mack TerraPro (TE) (2025)

Mack TerraPro trucks have steering gearbox fasteners that may loosen, causing loss of steering and crash risk.

Summary by Recall Canary from the NHTSA notice

What happened

Mack Trucks, Inc. is recalling certain 2025 TerraPro trucks because the steering gearbox fasteners may loosen. A loose steering gearbox can result in a loss of steering, increasing the risk of a crash. The recall affects 341 vehicles nationwide and was reported to NHTSA on August 6, 2026.

Dealers will inspect and tighten 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.

More steering defect recalls

What to do

If you own a vehicle in this recall:

  1. Check your VIN (vehicle identification number) at nhtsa.gov/recalls.
  2. Dealers will inspect and tightened or replace the fasteners as necessary, free of charge.
  3. You may contact Mack's customer service at 1-800-866-1177.
  4. Watch your mail. Interim letters notifying owners of the safety risk were mailed September 21, 2026. Additional letters will be sent once the final remedy is available.

What you get Free repair

Full text from NHTSA

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.

Is your Mack affected?

These models and years may be affected.

Mack

  • TerraPro (TE) (2025)

Your VIN confirms it. Find the 17-character VIN on the driver's side of the dashboard or on your registration card.

Check your VIN on nhtsa.gov (opens in a new tab)

Recall details

Reported to NHTSA
Sold in
Nationwide
Manufacturer
Mack Trucks, Inc.
Component
Steering defect
Campaign
26V509000
Vehicles affected
341
Repair cost
Free of charge
Manufacturer's recall number
SC0497
Manufacturer phone
1-800-866-1177

All recalls from Mack Trucks, Inc.

Timeline

  1. Reported to NHTSA

  2. Listed on Recall Canary

  3. Summary updated

Other steering defect recalls

See all: Other steering defect recalls

Summary by Recall Canary, written with AI · summary updated Oct 2, 2026 · primary source: U.S. National Highway Traffic Safety Administration (opens in a new tab)