The defect
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.
The risk
Exposure to high levels of ammonia can increase the risk of injury.
The 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.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| NEW Flyer XD35 | 2021 |
| NEW Flyer XD40 | 2021 |
Components: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| NEW Flyer XD35 | 2021 | 0 | 6 |
| NEW Flyer XD40 | 2021 | 0 | 6 |
Other engine and engine cooling recalls in 2021
30 of the 988 recall campaigns reported to NHTSA in 2021 concerned the engine and engine cooling; New Flyer of America, Inc. filed 22 campaigns in all.
| 21V00G000 22 Dec 2021 | Alamo Group Inc. |
| 21V987000 16 Dec 2021 | Honda (American Honda Motor Co.) |
| 21V927000 25 Nov 2021 | Lamborghini (Automobili Lamborghini) |
| 21V865000 5 Nov 2021 | Yamaha Motor Corporation, USA |
| 21V843000 29 Oct 2021 | Mercedes-Benz USA, LLC |
| 21V837000 25 Oct 2021 | Navistar, Inc. |
| 21V838000 25 Oct 2021 | Navistar, Inc. |
| 21V819000 18 Oct 2021 | Kawasaki Motors Corp., U.S.A. |
NHTSA recalls (public domain) · all recalls of 2021