Thomas Built Buses recalls 2023–2026 Saf-T-Liner EFX and HDX school buses over loose heater hose clamps
Heater hose clamps may not have been tightened properly, so a hose could come off and leak hot heating coolant inside the passenger area, which could burn people on board.
What to do
Dealers will inspect the buses and replace the heater hose clamps if needed, free of charge. Owners can call Daimler Trucks North America customer service at 1-800-547-0712 and refer to recall number F1030.
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Recall details
- Product
- Thomas Built Buses Saf-T-Liner Efx, Saf-T-Liner Hdx 2023–2026
- Hazard
- Contact with hot heating coolant may burn occupants, increasing the risk of injury.
- Units
- 2,843 vehicles
- Owner notification
- April 10, 2026
- Reported to NHTSA
- February 13, 2026
- Identifiers
- NHTSA campaign number: 26V086000
- Manufacturer campaign number: F1030
- Model years: 2023–2026
The headline, summary and steps above are written in plain English from the official notice below. Identifiers are copied exactly as the agency published them. Always check the official notice before you act.
Official notice
The notice's own wording from NHTSA.
- Component
- ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS
- Defect
- Daimler Trucks North America, LLC (DTNA) is recalling certain Thomas Built Buses 2023-2026 Saf-T-Liner EFX and Saf-T-Liner HDX school buses. The heater hose clamps may not have been tightened properly, causing the hose to disconnect and leak heating coolant inside the passenger compartment.
- Consequence
- Contact with hot heating coolant may burn occupants, increasing the risk of injury.
- Corrective action
- Dealers will inspect and replace the heater hose clamps, as necessary, free of charge. Owner notification letters were mailed April 10, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1030.
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