Thomas Built Buses · United States · Crit
Thomas Built Buses Saf-T-Liner Efx, Saf-T-Liner HDX: Engine and engine cooling — hoses/lines/piping/fittings
Affects Thomas Built Buses Saf-T-Liner Efx, Saf-T-Liner HDX · 2023–2026 — about 3K vehicles.
The hazard
Contact with hot heating coolant may burn occupants, increasing the risk of injury.
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.
Critical — crash/injury risk now
High — injury risk; see remedy
Moderate — fix at next service
Low — minor / informational