The worst 2026 New Flyer XDE40 problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
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Recalls 1
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
Technical service bulletins for the 2026 New Flyer XDE40 7
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Instructions to flash the latest released PLC program to the vehicle to prevent consistent 82-35 faults at...
- Instructions to apply dielectric grease to Amerex backup battery terminals.
- Instructions provided to remove the existing brass/plastic swivel fitting and replacing with a more...
- Instructions to remove and replace the transmission dipstick with updated dipstick markings to reduce oil...
- Instructions to remove OEM pump and replace with a pump with updated firmware.
- Instructions to verify steering column shaft collar pinch bolt installation.
- Bulletin describing the proper de-aeration for Allison EGEN Flex Hybrid coolant loops.
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Questions about the 2026 New Flyer XDE40
Is the 2026 New Flyer XDE40 reliable?
Owners have filed 0 complaints about the 2026 New Flyer XDE40.
What is the most common problem with the 2026 New Flyer XDE40?
There are not enough complaints to tell.
How many recalls does the 2026 New Flyer XDE40 have?
1 recall, covering service brakes, air.
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