# NHTSA recall 26V509000

A recall listed here may apply to a vehicle of this year, make and model. Only the manufacturer can say whether it applies to one vehicle: check the VIN with the official lookups.

- Published by: NHTSA \(United States\)
- Campaign number: 26V509000
- Manufacturer's number: SC0497
- Manufacturer: Mack Trucks, Inc.
- Reported: 2026\-08\-06
- Component: STEERING:CRITICAL FASTENERS; STEERING:GEAR BOX:MOUNTING BRACKET
- Units potentially affected: 341
- Part numbers: 992475, 997990, 60114654

## What is wrong

Mack Trucks, Inc. \(Mack\) is recalling certain 2025 TerraPro trucks. The steering gearbox fasteners may loosen.


## What can happen

A loose steering gearbox can result in a loss of steering, increasing the risk of a crash.


## The 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.


## Vehicles this campaign lists

- [2025 MACK TERRAPRO \(TE\)](/makes/mack/terrapro/2025/recalls.md). Built 2024\-10\-02 to 2024\-12\-20. Listed as a series or trim of this model.

## Check a VIN

- [NHTSA recall lookup by VIN, United States](https://www.nhtsa.gov/recalls)
- [Transport Canada recall search, Canada](https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng)

JSON: [/v1/recalls/nhtsa/26V509000](/v1/recalls/nhtsa/26V509000)

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