Engine and engine cooling: exhaust system: manifold/header/muffler/tail pipe
- Component
- Engine and engine cooling: exhaust system: manifold/header/muffler/tail pipe
- Manufacturer
- New Flyer of America, Inc.
- Vehicles affected
- 28
- Reported to NHTSA
- 2021-07-14
- Owners notified
- 2021-07-23
Defect description
New Flyer of America, Inc. (New Flyer) is recalling certain 2021 XD35 and XD40 vehicles equipped with 2021 Model Year Cummins L9 Diesel Engines. The engine calibration software's management of the injection of Diesel Exhaust Fluid can allow excessive ammonia to be emitted from tailpipe exhaust.
Safety risk
Exposure to high levels of ammonia can increase the risk of injury.
Manufacturer remedy
Cummins will recalibrate the engine, free of charge. Owner notification letters were mailed on July 23, 2021. Owners may contact New Flyer's customer service at 1-800-204-224-6706. New Flyer's number for this recall is R21-013.