Daimler Trucks North America is recalling certain 2016-2021 Thomas Built Buses Saf-T-Liner HDX school buses with a risk of fire from a worn power steering hose. Owners must contact DTNA for free inspection and modification.
A worn power steering hose increases the risk of a fire.
Daimler Trucks North America is recalling certain 2016-2021 Thomas Built Buses Saf-T-Liner HDX school buses due to a power steering hose that may be routed too close to power cables, increasing fire risk. This could cause a fire if the hose wears out and contacts hot engine components. Read more at govinfonow.com/recall/1224398-thomas-built-buses-2019-saf-t-liner-hdx-school-buses.
Source Summary by GovInfoNow · govinfonow.com/recall/1224398-thomas-built-buses-2019-saf-t-liner-hdx-school-buses · Updated October 4, 2026 · Official notice: NHTSA #21V659000
“Thomas Built Buses 2019 Saf-T-Liner HDX School Buses: Fire Risk from Worn Power Steering Hose.” GovInfoNow, updated October 4, 2026. https://govinfonow.com/recall/1224398-thomas-built-buses-2019-saf-t-liner-hdx-school-buses. Based on NHTSA recall 21V659000 (https://www.nhtsa.gov/recalls?nhtsaId=21V659000).
The power steering hose may be routed too close to power cables, which can cause overheating if the hose wears. This overheating could lead to a fire if the hose contacts hot engine parts.
School bus owners who purchased a 2016-2021 Thomas Built Buses Saf-T-Liner HDX model with an ISL or L9 engine are affected. Drivers and passengers on these buses face the highest risk if the hose wears out.
Check if your school bus has a Thomas Built Buses Saf-T-Liner HDX model with an ISL or L9 engine from 2016 to 2021. The recall covers specific model years and engine types.
Call DTNA's customer service at 1-800-547-0712 to schedule a free inspection of the power steering hose routing.
Expect a notification letter from DTNA by October 17, 2021, which will detail the necessary modifications.
DTNA will inspect the power steering hose routing and modify it as necessary, free of charge. Owner notification letters are expected to be mailed on October 17, 2021. Owners may contact DTNA's customer service at 1-800-547-0712. DTNA's number for this recall is FL898.
The power steering hose may be routed too close to power cables, increasing the risk of fire if the hose wears out and contacts hot engine components.
Your bus is affected if it is a Thomas Built Buses Saf-T-Liner HDX model with an ISL or L9 engine purchased between 2016 and 2021.
Contact DTNA's customer service at 1-800-547-0712 to schedule a free inspection of the power steering hose routing.
We’ve drafted a message you can send Thomas Built Buses to request your refund or repair — edit it as you like.
Subject: Recall 21V659000 — Thomas Built Buses Thomas Built Buses Hello, I own a Thomas Built Buses that is covered by recall 21V659000 from Thomas Built Buses. The official recall notice states: DTNA will inspect the power steering hose routing and modify it as necessary, free of charge. Owner notification letters are expected to be mailed on October 17, 2021. Owners may contact DTNA's customer service at 1-800-547-0712. DTNA's number for this recall is FL898. I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this? Thank you.
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The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
