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    VehiclesUpdated Jan 3, 2026MACKOfficial source

    Mack truck recall in Canada: Fifth wheel hitch may detach

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    In plain language

    This recall affects certain 2009, 2010, and 2011 Mack CHU and CXU trucks in Canada. The bolts securing the fifth wheel hitch assembly may not have been tightened enough during assembly. This could cause the fifth wheel assembly and trailer to separate from the truck. A separating trailer could strike other vehicles or people, causing injury or damage.

    What to do

    • Check your VIN using the official notice.
    • Contact your dealer or manufacturer to schedule the free repair.
    • Follow any safety instructions in the notice.

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    Affected products

    Specific affected products are listed in the official notice.

    Why this matters

    Fifth wheel hitch may detach

    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?

    Fifth wheel hitch may detach

    What should consumers do?

    Check your VIN using the official notice. Contact your dealer or manufacturer to schedule the free repair. Follow any safety instructions in the notice.

    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. Fifth wheel hitch may detach

    When was this product recalled?

    This product was recalled on May 27, 2011.

    Is the MACK brand affected by this recall?

    Yes, MACK products are affected by this recall. This recall affects certain 2009, 2010, and 2011 Mack CHU and CXU trucks in Canada. The bolts securing the fifth wheel hitch assembly may not have been tightened enough during assembly. This could cause the fifth wheel assembly and trailer to separate from the truck. A separating trailer could strike other vehicles or people, causing injury or damage.