Canada2025 Mack TERRAPRO medium- and heavy-duty trucks are affected; the model is identified as Mack TERRAPRO. The fasteners for the steering gearbox may not have been tightened properly, which could allow them to loosen and cause a loss of steering control and increase the risk of a crash. Mack will notify owners by mail and advise taking the truck to a dealership to replace and tighten the steering gearbox fasteners, with any damaged parts replaced.
How to identify it
2025 Mack TERRAPRO
The hazard
On certain trucks, the fasteners for the steering gearbox may not have been tightened properly. As a result, the fasteners could loosen and cause a loss of steering control.
A loss of steering control could create a risk of a crash.
What to do
Mack will notify owners by mail and advise you to take your truck to a dealership to replace and tighten the steering gearbox fasteners. Any damaged parts will be replaced.
The official notice
This page is a summary of the notice published by Transport Canada, collected from Health Canada, CFIA and Transport Canada. Check the original before you act on it.
Read the official notice (opens in a new tab)