2023–2025 Thomas Built Buses Saf-T-Liner Efx, 2023–2026 Thomas Built Buses Saf-T-Liner HDX Recall: Heater hose clamps may not have been tightened properly, causing the hose…
NHTSA campaign 26V087000 · Engine and Engine Cooling · filed Feb 13, 2026 · verified Jul 30, 2026
The 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.
The risk
Contact with hot heating coolant may burn occupants, increasing the risk of injury.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
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.
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Thomas Built Buses | Saf-T-Liner Efx | 2023, 2024, 2025 |
| Thomas Built Buses | Saf-T-Liner HDX | 2023, 2024, 2025, 2026 |
Related recalls
More Thomas Built Buses Saf-T-Liner Efx recalls
- 2023–2026 Thomas Built Buses Saf-T-Liner Efx and 1 other model — Heater hose clamps may not have been tightened properly…
- 2025–2027 Thomas Built Buses Minotour DRW and 4 other models — Wheel chair restraint retractor may not lock, preventing…
- 2025–2026 Thomas Built Buses Saf-T-Liner C2 and 4 other models — Tie rod castle nut and cotter pin may not be installed…
- 2019–2022 Thomas Built Buses Minotour DRW and 5 other models — Emergency Exit Label lettering is too small and may be…
- 2024–2025 Thomas Built Buses Saf-T-Liner C2 and 1 other model — Front axle tie rod ball joint studs may crack and break…
Other campaigns involving Thomas Built Buses vehicles
- 2026–2027 Thomas Built Buses Saf-T-Liner EFX2 and 1 other model — Entrance door may fail to open or close when the switch is…
- 2026–2027 Thomas Built Buses Saf-T-Liner HDX2 — Entrance door may fail to open or close when the switch is…
- 2027 Thomas Built Buses Saf-T-Liner HDX2 — Front and mid-body interior joints may have been…
All Thomas Built Buses Saf-T-Liner Efx recalls → · All Thomas Built Buses recalls →
Source: NHTSA recall database, campaign 26V087000 (manufacturer number F1030). Data last verified Jul 30, 2026.