The worst 2021 New Flyer XN40 problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
Recalls 3
Service brakes, air: antilock
- What is wrong
- New Flyer of America, Inc. (New Flyer) is recalling certain XD35, XDE35, XE35, XN35, XD40, XDE40, XE40, XHE40, XN40, XT40, XD60, XDE60, XE60, XN60, XT60, and XHE60 transit buses. Please refer to New Flyer's recall report for specific model year information. The antilock braking (ABS) and electronic stability control (ESC) module may lose communication and fail without illuminating the warning lights. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard numbers 121, "Air Brake Systems" and 136, "Electronic Stability Control Systems on Heavy Vehicles."
- Risk
- An ABS or ESC warning light that fails to illuminate will not alert the driver to the loss of ABS or ESC, increasing the risk of a crash.
- Remedy
- New Flyer will update the software, free of charge. Owner notification letters were mailed February 17, 2026. Owners may contact New Flyer's customer service at 1‑800‑241‑2947.
Recall number 25V898000 · Recall details
Power train: driveline: driveshaft
- What is wrong
- New Flyer of America, Inc. (New Flyer) is recalling certain 2019-2024 XD35, XD40, XN35, and XN40 transit buses. The transmission yoke may separate, resulting in driveshaft separation and a sudden loss of drive power.
- Risk
- A sudden loss of drive power can increase the risk of a crash.
- Remedy
- New Flyer will work with the equipment manufacturer, Allison Transmission Inc., to inspect, and if necessary, tighten loose transmission yoke bolts, free of charge. Owner notification letters were mailed December 9, 2023. Owners may contact New Flyer customer service at 1‑800‑241‑2947. New Flyer's number for this recall is R23-20.
Recall number 23V722000 · Recall details
Steering: column
- What is wrong
- New Flyer of America, Inc. (New Flyer) is recalling certain 2013-2022 XDE35, XDE40, XDE60, XE40, XN40, 2017-2022 XE60, 2014-2022 XT40 and XT60 transit buses equipped with a double tilt steering column. The steering column connection to the upper steering shaft may become loose.
- Risk
- A loose steering shaft can cause a loss of steering, increasing the risk of a crash.
- Remedy
- Dealers will replace the steering column and shaft components, free of charge. Owner notification letters were mailed on February 1, 2023. Owners may contact New Flyer's customer service at 1‑204‑224‑6706. New Flyer's number for this recall is R22-035.
Recall number 22V943000 · Recall details
Technical service bulletins for the 2021 New Flyer XN40 1
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
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Questions about the 2021 New Flyer XN40
Is the 2021 New Flyer XN40 reliable?
Owners have filed 0 complaints about the 2021 New Flyer XN40.
What is the most common problem with the 2021 New Flyer XN40?
There are not enough complaints to tell.
How many recalls does the 2021 New Flyer XN40 have?
3 recalls, covering service brakes, air, power train and steering.
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