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Thomas Built Buses Saf-T-Liner C2 Recall 26V697: Heater hose may rupture and leak hot coolant inside bus

NHTSA recall 26V697 · Reported October 21, 2026 · 8 vehicles potentially affected · Daimler Trucks North America, LLC

What this recall means

A heater hose on certain 2027 Saf-T-Liner C2 school buses may rupture. If that happens, hot coolant can leak into the passenger compartment.

Contact with the hot coolant may burn occupants, which increases the risk of injury. Owners should check whether their bus is affected and have the heater hose inspected.

Authorized dealers will inspect and replace the heater hose as necessary, at no cost to the owner. Owner notification letters are expected to be mailed December 18, 2026. You can also contact DTNA customer service at 1-800-547-0712 (recall F1043) and check your vehicle identification number for open recalls.


Check whether this recall is still open on your vehicle. The repair is free at an authorized dealer.

Official recall details

Component: ENGINE

Problem: Daimler Trucks North America, LLC (DTNA) is recalling certain Thomas Built Buses 2027 Saf-T-Liner C2 school buses. The heater hose may rupture, which can result in hot coolant leaking inside the passenger compartment.

Risk: Contact with hot coolant may burn occupants, increasing the risk of injury.

Remedy: Dealers will inspect and replace the heater hose as necessary, free of charge. Owner notification letters are expected to be mailed December 18, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1043.

Affected vehicles

2027 Thomas Built Buses Saf-T-Liner C2