2012–2014 Thomas Built Buses Saf-T-Liner Efx, 2012–2014 Thomas Built Buses Saf-T-Liner HDX Recall: A U-bolt intended to reinforce certain seat installations to the chassis…
NHTSA campaign 13V537000 · Seats · filed Oct 30, 2013 · verified Jul 30, 2026
The defect
Daimler Trucks North America (DTNA) is recalling certain model year 2012-2014 Thomas Built Saf-T-Liner HDX and Saf-T-Liner EFX school buses manufactured October 17, 2011, through July 2, 2013. A U-bolt intended to reinforce certain seat installations to the chassis may have been left out of the assembly process.
The risk
In the event of a crash, the seats may not stay mounted to the chassis, increasing the risk of injury.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
DTNA will notify owners and dealers will install the U-bolts as required, free of charge. The recall began on December 13, 2013. Owners may contact DTNA at 1-503-745-5219. DTNA's recall number is FL-650.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Thomas Built Buses | Saf-T-Liner Efx | 2012, 2013, 2014 |
| Thomas Built Buses | Saf-T-Liner HDX | 2012, 2013, 2014 |
Related recalls
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Other campaigns involving Thomas Built Buses vehicles
- 2026–2027 Thomas Built Buses Saf-T-Liner EFX2 and 1 other model — Entrance door may fail to open or close when the switch is…
- 2026–2027 Thomas Built Buses Saf-T-Liner HDX2 — Entrance door may fail to open or close when the switch is…
- 2027 Thomas Built Buses Saf-T-Liner HDX2 — Front and mid-body interior joints may have been…
All Thomas Built Buses Saf-T-Liner Efx recalls → · All Thomas Built Buses recalls →
Source: NHTSA recall database, campaign 13V537000 (manufacturer number FL-650). Data last verified Jul 30, 2026.