2023–2026 Thomas Built Buses Saf-T-Liner EFX & 2023–2026 Thomas Built Buses Saf-T-Liner HDX recall: engine
⚠️ What's wrong
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.
💥 The risk
Contact with hot heating coolant may burn occupants, increasing the risk of injury.
🔧 The fix
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.
Is the fix free? Yes. Safety recall repairs are free at any authorized dealer under federal law, including parts and labor. (Vehicles more than 15 years old when the recall was announced can be excluded, but most manufacturers still fix them.)
- NHTSA campaign
- 26V086000
- Manufacturer recall #
- F1030
- Manufacturer
- Daimler Trucks North America, LLC
- Vehicles affected
- 2,843
- Component
- ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS
- Owner phone
- 1-800-547-0712
- NHTSA hotline
- 1-888-327-4236
- Owner letters mailed
- Apr 10, 2026
- Recall started by
- MFR