The worst 2025 Thomas Built Buses Saf-T-Liner Efx problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
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Recalls 5
Engine and engine cooling: cooling system: hoses/lines/piping/fittings
- What is 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.
- Risk
- 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.
Recall number 26V086000 · Recall details
Engine and engine cooling: cooling system: hoses/lines/piping/fittings
- What is wrong
- 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.
- Risk
- 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.
Recall number 26V087000 · Recall details
Equipment adaptive/mobility: wheelchair restraints/securement: latch/anchor:
- What is wrong
- Daimler Trucks North America, LLC (DTNA) is recalling certain 2025 Thomas Built Buses Saf-T-Liner EFX, 2025-2027 Thomas Built Buses Minotour DRW, 2026 Thomas Built Buses Saf-T-Liner C2 Jouley, Thomas Built Buses HDX, and 2026-2027 Thomas Built Buses Saf-T-Liner C2 school buses equipped with certain QRT-Deluxe and QRT-Max wheelchair restraints. The wheel chair restraint retractor may not lock, preventing the wheelchair from being properly secured.
- Risk
- An unsecured wheelchair can move during transit, increasing the risk of injury.
- Remedy
- Dealers will inspect and replace the retractors, as necessary, free of charge. Owner notification letters were mailed February 5, 2026. Owners may contact DTNA customer service at 1‑800‑547‑0712. DTNA's number for this recall is F1028.
Recall number 25V849000 · Recall details
Steering: linkages: tie rod assembly
- What is wrong
- Daimler Trucks North America, LLC (DTNA) is recalling certain 2024-2025 Thomas Built Buses Saf-T-Liner C2 and 2025 Thomas Built Buses Safe-T-Liner EFX school buses. The front axle tie rod ball joint studs may crack and break, which can result in tie rod separation.
- Risk
- Tie rod separation can cause a sudden loss of steering control and increase the risk of a crash.
- Remedy
- Dealers will replace the tie rod assembly, free of charge. Owner notification letters were mailed July 25, 2024. Owners may contact DTNA customer service at 800‑745‑8000. DTNA's number for this recall is D24R6.
Recall number 24V401000 · Recall details
Wheels: hub
- What is wrong
- Daimler Trucks North America, LLC (DTNA) is recalling certain 2025 Thomas Built Buses Saf-T-Liner C2 and EFX school buses. The wheel hub fasteners may loosen and cause the wheel to detach, which can result in a loss of vehicle control.
- Risk
- A loss of vehicle control increases the risk of a crash.
- Remedy
- Dealers will inspect and replace the hub nut retaining system, wheel end, and axle components, as necessary free of charge. Owner notification letters were mailed July 18, 2024. Owners may contact DTNA customer service at 800‑745‑8000. DTNA's number for this recall is F1002.
Recall number 24V392000 · Recall details
See all 5 recalls for the 2025 Thomas Built Buses Saf-T-Liner Efx
Technical service bulletins for the 2025 Thomas Built Buses Saf-T-Liner Efx 15
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Warranty Information letter for Detroit Line or Line Seal, High Pressure Fuel Injector Standard Repair...
- Service Solution for EFX AC Upper bracket TBB 130987 replaced with TBB 248310
- Service Solution for Timer relay TBB 202400 replacement
- My Communications for RAI RK6166302 Informational Bulletin
- Service Solution for EFX Shock Mount Frame Rail Crack Repair
- My communications for DTNA Announces Extended Coverage Policy Updates
- Service Solution for Floor Covering Bubbles
- Service Solution for HDX / EFX front lighting replacement
- Service Solution for Power steering Pump TBB 61280827 replacement with TBB 246122
- CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test...
See all 15 bulletins for the 2025 Thomas Built Buses Saf-T-Liner Efx
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Other model years
Questions about the 2025 Thomas Built Buses Saf-T-Liner Efx
Is the 2025 Thomas Built Buses Saf-T-Liner Efx reliable?
Owners have filed 0 complaints about the 2025 Thomas Built Buses Saf-T-Liner Efx.
What is the most common problem with the 2025 Thomas Built Buses Saf-T-Liner Efx?
There are not enough complaints to tell.
How many recalls does the 2025 Thomas Built Buses Saf-T-Liner Efx have?
5 recalls, covering engine and engine cooling, equipment adaptive/mobility and steering.
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