RecallGuide.ca
    VehiclesUpdated Jan 3, 2026THOMAS BUILTOfficial source

    Thomas Built HDX recall in Canada: heater may overheat and melt

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    In plain language

    This recall affects certain 2009 and 2010 Thomas Built HDX non-school and school buses in Canada. A heater coolant flow valve actuator O-ring may leak, causing the actuator to overheat and melt. This could lead to a vehicle fire. Dealers will replace the dash heater actuator with a more robust version.

    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

    Vehicle fire risk

    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?

    Vehicle fire risk

    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. Vehicle fire risk

    When was this product recalled?

    This product was recalled on May 2, 2011.

    Is the THOMAS BUILT brand affected by this recall?

    Yes, THOMAS BUILT products are affected by this recall. This recall affects certain 2009 and 2010 Thomas Built HDX non-school and school buses in Canada. A heater coolant flow valve actuator O-ring may leak, causing the actuator to overheat and melt. This could lead to a vehicle fire. Dealers will replace the dash heater actuator with a more robust version.