2014–2015 Thomas Built Buses Saf-T-Liner C2 Recall: Affected vehicles may be equipped with LPI fuel rails for 6 and 8 liter…
NHTSA campaign 14V591000 · Fuel System, Other · filed Sep 23, 2014 · verified Jul 30, 2026
The defect
Daimler Trucks North America LLC (DTNA) is recalling certain model year 2014-2015 Thomas Built Buses Saf-T-Liner C2 school buses manufactured September 17, 2013, to August 27, 2014. The affected vehicles may be equipped with LPI fuel rails for 6 and 8 liter engines. The propane fuel injectors in these fuel rails may not be properly secured by the retainer clip and a fuel delivery tube may leak.
The risk
Either condition may result in a propane leak which may cause a stall. Additionally, leaking propane in the presence of an ignition source increases the risk of a fire.
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 Daimler Trucks North America authorized service facilities or CleanFuel USA authorized repair facilities will verify the proper installation of the injector retainer clip, and replace any leaking fuel delivery tubes, free of charge. The recall began on November 21, 2014. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-667.
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 C2 | 2014, 2015 |
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Source: NHTSA recall database, campaign 14V591000 (manufacturer number FL-667). Data last verified Jul 30, 2026.