Mack 2025 TerraPro Recall: Loose Steering Gearbox Risk
Mack recalls 2025 TerraPro trucks due to loose steering gearbox fasteners that may cause loss of steering and crash risk. Free dealer repair available.
Stop using this now
A loose steering gearbox can result in a loss of steering, increasing the risk of a crash.
What happened, in plain English
Mack Trucks is recalling certain 2025 TerraPro vehicles because the fasteners for the steering gearbox may loosen. This defect can lead to a complete loss of steering control, which significantly increases the risk of a crash. Owners have been notified via mail and should contact dealers for inspection and repair. Read more at govinfonow.com/recall/1342262-mack-2025-terrapro-recall-loose-steering-gearbox-risk.
Source Summary by GovInfoNow · govinfonow.com/recall/1342262-mack-2025-terrapro-recall-loose-steering-gearbox-risk · Published October 8, 2026 · Updated October 9, 2026 · Official notice: NHTSA #26V509000
Cite this page
“Mack 2025 TerraPro Recall: Loose Steering Gearbox Risk.” GovInfoNow, updated October 9, 2026. https://govinfonow.com/recall/1342262-mack-2025-terrapro-recall-loose-steering-gearbox-risk. Based on NHTSA recall #26V509000 (https://www.nhtsa.gov/recalls?nhtsaId=26V509000).
Why it’s dangerous
The fasteners securing the steering gearbox can become loose over time or through use. If these fasteners fail, the steering mechanism may disconnect or malfunction, resulting in a sudden loss of steering ability and a higher likelihood of an accident.
Who’s affected
Owners of certain 2025 Mack TerraPro trucks are affected by this recall. Drivers are at immediate risk of losing steering control while operating the vehicle.
How to tell if you have this one
You have this recalled vehicle if you own a 2025 Mack TerraPro truck. The manufacturer mailed interim notification letters to owners starting September 21, 2026. You can verify your specific situation by contacting Mack customer service at 1-800-866-1177 and referencing recall number SC0497.
- Brand
Mack- Category
Vehicle
What to do — step by step
Contact a Dealer
Schedule an appointment with a Mack dealer to have the steering gearbox fasteners inspected, tightened, or replaced free of charge.
Call Customer Service
If you have questions or need assistance, call Mack's customer service at 1-800-866-1177 and reference recall number SC0497.
What NHTSA says to do
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.
How this recall unfolded
Recall timeline
GovInfoNow listed this recall 2 months after the agency date.
- NHTSA received the defect report
- Interim owner letters mailed
- Added to GovInfoNow
Dates from the agency record only; steps without a date are left out.
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Where this comes from
The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
- Official source: NHTSA Recall #26V509000 (August 6, 2026)
- Plain-language summary written by qwen3.6:35b-a3b on October 9, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
- GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.