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    VehiclesUpdated Jan 3, 2026MackOfficial source

    Mack recall in Canada: Brakes may apply unexpectedly

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    In plain language

    This recall affects certain 2011 Mack CXU, 2012 Mack CHU, and 2012 Mack CXU trucks in Canada. In very cold conditions, a valve in the braking system can leak. This could cause the brakes to apply unexpectedly, leading to overheating or a loss of vehicle control and a crash.

    What to do

    • Contact your dealer or manufacturer to schedule the free repair.

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    Affected products

    Specific affected products are listed in the official notice.

    Why this matters

    Unexpected brake application could cause a crash

    Do I have this product?

    This recall applies to specific products. Details are listed in the official notice.

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    Frequently Asked Questions

    Why was this product recalled?

    Unexpected brake application could cause a crash

    What should consumers do?

    Contact your dealer or manufacturer to schedule the free repair.

    Where was the product sold?

    This product was sold in Canada. For specific retailers or distribution areas, please check the official recall notice linked on this page.

    Is there a health risk?

    Yes, there may be a health risk. Unexpected brake application could cause a crash

    When was this product recalled?

    This product was recalled on April 23, 2012.

    Is the Mack brand affected by this recall?

    Yes, Mack products are affected by this recall. This recall affects certain 2011 Mack CXU, 2012 Mack CHU, and 2012 Mack CXU trucks in Canada. In very cold conditions, a valve in the braking system can leak. This could cause the brakes to apply unexpectedly, leading to overheating or a loss of vehicle control and a crash.