Vent tube may detach from engine breather
Defect Summary
Daimler trucks north america llc (dtna) is recalling certain model year 2008-2015 thomas built buses saf-t-liner hdx school buses manufactured may 25, 2008, to december 18, 2014, and equipped with certain cummins westport isl g engines. excessive engine crankcase pressures may cause the 90-degree elbow of the vent tube assembly to detach from the crankcase ventilation breather, possibly allowing engine oil to come into contact with hot surfaces.
Safety Consequence
If engine oil comes into contact with a hot surface, there is an increased risk of a fire.
Corrective Action
Cummins will notify owners on behalf of dtna, and dealers secure the ends of the 90-degree elbow. in addition, the electronic control module (ecm) will be reprogrammed with software that can adjust the engine output under misfire conditions to limit crankcase pressures. these repairs will be performed free of charge. the recall began on june 12, 2015. owners may contact dtna customer service at 1-800-745-8000, or cummins customer service at 1-800-343-7357. dtna's number for this recall is fl-681.
Similar Recalls
Other recalls from Daimler Trucks North America, Llc or involving Engine And Engine Cooling.
FAQ: Recall 15V344000
Your rights, the repair process, and what each field on this page means.
What is recall 15V344000?
NHTSA recall 15V344000 was issued by Daimler Trucks North America, Llc on June 3, 2015. It addresses: Vent tube may detach from engine breather. The recall affects approximately 746 vehicles, with the defect involving the Engine And Engine Cooling component.
How do I get this recall repaired?
Contact any authorized Daimler Trucks North America, Llc dealer and reference NHTSA recall ID 15V344000 or the manufacturer campaign number FL-681. Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.