01 / OFFICIAL CAMPAIGNS
2025 Thomas Built Buses Saf-T-Liner Hdx recall campaigns
NHTSA 26V087000
- Component
- ENGINE AND ENGINE COOLING
- Report received
- February 13, 2026
- Potential units
- 52campaign-wide
Defect and consequence
Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain Thomas Built Buses 2023-2025 Saf-T-Liner EFX and 2023-2026 Saf-T-Liner HDX vehicles. The heater hose clamps may not have been tightened properly, causing the hose to disconnect and leak heating coolant inside the passenger compartment.
Why it matters: Contact with hot heating coolant may burn occupants, increasing the risk of injury.
Remedy
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.
Owner notification: April 10, 2026 · Filing manufacturer: Daimler Trucks North America, LLC
NHTSA 26V086000
- Component
- ENGINE AND ENGINE COOLING
- Report received
- February 13, 2026
- Potential units
- 2,843campaign-wide
Defect and consequence
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.
Why it matters: Contact with hot heating coolant may burn occupants, increasing the risk of injury.
Remedy
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.
Owner notification: April 10, 2026 · Filing manufacturer: Daimler Trucks North America, LLC
NHTSA 25V604000
- Component
- STEERING
- Report received
- September 11, 2025
- Potential units
- 99campaign-wide
Defect and consequence
Defect: Daimler Trucks North America, LLC (DTNA) is recalling certain Thomas Built Buses 2025-2026 Saf-T-Liner HDX, Saf-T-Liner C2, 2026 Saf-T-Liner EFX, and Saf-T-Liner C2 Jouley school buses. The tie rod castle nut and cotter pin may not be installed properly, which can result in a loss of vehicle steering control.
Why it matters: A loss of vehicle steering control increases the risk of a crash.
Remedy
Dealers will inspect and replace the tie rod assembly, as necessary, free of charge. Owner notification letters were mailed November 10, 2025. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is D25R2.
Owner notification: November 10, 2025 · Filing manufacturer: Daimler Trucks North America, LLC
02 / COMPONENT BREADTH