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Vehicle recall · NHTSA · Published May 29, 2018

THOMAS BUILT BUSES SAF-T-LINER HDX (2019) recall — Service Brakes, Hydraulic

Daimler Trucks North America recalls 2019 Thomas Built Buses Saf-T-Liner HDX school buses with potentially loose brake caliper mounting bolts, risking reduced braking and crash risk. Owners should contact DTNA for free inspection.

🇺🇸 NHTSA recall #18V352000VehicleThomas Built Buses ›
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No email on file for this recall — reach the company by phone or its official page instead.No contact details on file — see the official NHTSA notice.
✎ GovInfoNow plain-language explainer

What happened, in plain English

Daimler Trucks North America is recalling certain 2019 Thomas Built Buses Saf-T-Liner HDX school buses because brake caliper mounting bolts may loosen, reducing braking performance and increasing crash risk. Affected owners should have their brakes inspected by a dealer. Read more at govinfonow.com/recall/1224399-thomas-built-buses-2019-saf-t-liner-hdx-brake-caliper.

Source Summary by GovInfoNow · govinfonow.com/recall/1224399-thomas-built-buses-2019-saf-t-liner-hdx-brake-caliper · Updated October 7, 2026 · Official notice: NHTSA #18V352000

Cite this page

“Thomas Built Buses 2019 Saf-T-Liner HDX: Brake Caliper Bolts May Loosen.” GovInfoNow, updated October 7, 2026. https://govinfonow.com/recall/1224399-thomas-built-buses-2019-saf-t-liner-hdx-brake-caliper. Based on NHTSA recall #18V352000 (https://www.nhtsa.gov/recalls?nhtsaId=18V352000).

Why it’s dangerous

If brake caliper mounting bolts become loose, braking performance decreases. This could lead to reduced ability to stop safely, increasing the risk of a crash.

Who’s affected

School bus owners with 2019 Thomas Built Buses Saf-T-Liner HDX models are most at risk. The recall applies to vehicles sold between September 2018 and 2019.

How to tell if you have this one

Check for 2019 Thomas Built Buses Saf-T-Liner HDX school buses. The recall began in September 2018 and covers models sold through 2019.

  • Brand
    Thomas Built Buses
  • Category
    Vehicle
Based on the official NHTSA remedy

What to do — step by step

  1. Contact DTNA

    Call 1-800-547-0712 to get free brake caliper mounting bolt inspection by a dealer.

Official remedy

What NHTSA says to do

DTNA will notify owners, and dealers will inspect the brake caliper mounting bolts and tighten them as necessary, free of charge. DTNA issued owners an interim notification on July 25, 2018. The recall began September 4, 2018. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-772.

✎ GovInfoNow

Questions people ask

Why is this recall happening?

Brake caliper mounting bolts on these school buses may be insufficiently tightened, allowing them to loosen and reduce braking performance.

How can I check if my bus is affected?

Check if your bus is a 2019 Thomas Built Buses Saf-T-Liner HDX model sold between September 2018 and 2019.

What should I do if I have an affected bus?

Contact DTNA at 1-800-547-0712 for a free inspection of the brake caliper mounting bolts by a dealer.

Take action

Contact Thomas Built Buses

We’ve drafted a message you can send Thomas Built Buses to request your refund or repair — edit it as you like.

Subject: Recall 18V352000 — Thomas Built Buses Thomas Built Buses

Hello,

I own a Thomas Built Buses that is covered by recall 18V352000 from Thomas Built Buses.

The official recall notice states: DTNA will notify owners, and dealers will inspect the brake caliper mounting bolts and tighten them as necessary, free of charge.  DTNA issued owners an interim notification on July 25, 2018.  The recall began September 4, 2018. Owners may contact DTNA customer service at 1-800-547-0712.  DTNA's number for this recall is FL-772.

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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Where this comes from

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.

  • Official source: NHTSA Recall #18V352000 (May 29, 2018)
  • Plain-language summary written by qwen3:4b on October 7, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
  • GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.
GovInfoNow is an independent guide. We are not NHTSA or any government agency. Always confirm details with the official recall.Data: CPSC · FDA · NHTSA · USDA