The worst 2021 New Flyer XDE40 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
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
Steering
- What is wrong
- New Flyer of America, Inc. (New Flyer) is recalling certain 2021-2022 XD40, XD60, XDE40, 2022 XN35, XE40, XN40, and 2021 XN60 transit buses. The steering gears may have been incorrectly assembled, which can cause the gear to fracture.
- Risk
- A fractured steering gear can cause a loss of steering control, increasing the risk of a crash.
- Remedy
- Dealers will inspect and replace the steering gear if required, free of charge. Owner notification letters were mailed on September 2, 2022. Owners may contact New Flyer's customer service at 1‑204‑224‑6706. New Flyer's number for this recall is R22-026.
Recall number 22V637000 · Recall details
Technical service bulletins for the 2021 New Flyer XDE40 10
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Instructions to modify ECP & MCP pump connectors to prevent water intrusion
- Instructions to Service to remove bypassed engine calibration from ECM and replace DEF sensor as required.
- Instruction to Service to check the four mounting bolts that attach the steering box mounting bracket to...
- Instructions to Service to incorporate a PLC Update to prevent interlock activation when CAN speed...
- Instruction to Service for updating the battery program on certain ELFA2 buses for Improved BMS response...
- Instruction to Service 60838 to check/replace fuse box mounting hardware as required.
- Technical Instruction describing how to rework and adjust the stop request pull cord cover.
- Technical Instruction describing how to tighten hardware and replace rivets on upper deck cantilever seats...
- Technical Instruction describing how to reseal floor seam trims.
- This technical instruction describes how to replace dust covers and seal and protect the harnesses...
Compare the 2021 New Flyer XDE40
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Questions about the 2021 New Flyer XDE40
Is the 2021 New Flyer XDE40 reliable?
Owners have filed 0 complaints about the 2021 New Flyer XDE40.
What is the most common problem with the 2021 New Flyer XDE40?
There are not enough complaints to tell.
How many recalls does the 2021 New Flyer XDE40 have?
3 recalls, covering service brakes, air and steering.
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