2017 Alexander Dennis Enviro 500 problems, complaints & recalls
Safety recalls (1)
Fuel System, Diesel:fuel Injection System:fuel Rail 2021-06-23 · campaign 21V468000 · 310 vehicles
Defect: Alexander Dennis, Inc. (Alexander Dennis) is recalling certain 2017-2020 E500 buses. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.
Risk: A fuel leak in the presence of an ignition source increases the risk of a fire.
Fix: Dealers will inspect the rail threads and fuel lines, and replace the rail as necessary, free of charge. Owner notification letters were mailed June 18, 2021. Owners may contact Alexander Dennis customer service at 1-951-244-9429.
Service bulletins (2)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Service Brakes 2023-05-01 · 962 Park Brake · Service Bulletin/Repair Instructions
this service bulletin has been released to remind operators of the correct operation of the park brake lever following a recent increase in reported failures of these valves.
Suspension 2019-03-01 · 928 Sway bar bushings · Service Bulletin/Repair Instructions
the purpose of this service bulletin is to inform customers of the availability of service list sl3308 which has been released and can be used on enviro 500 and enviro 400 should the lower linkage pin is missing or found to be loose, or if you are changing the arb bushes.
What owners report
No detailed complaint narratives on file.
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.