AI Damage2020 NEW Flyer XN40: common problems
The maker issued 13 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 13
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Equipment | 0 | 0 | 10 |
| Electrical system | 0 | 0 | 4 |
| Suspension | 0 | 0 | 3 |
| Fuel system | 0 | 0 | 2 |
| Engine | 0 | 0 | 1 |
| Engine and cooling | 0 | 0 | 1 |
| Exterior lighting | 0 | 0 | 1 |
| Structure | 0 | 0 | 1 |
| Visibility | 0 | 0 | 1 |
| Other | 0 | 0 | 1 |
Comparison
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Suspension. Wheel alignment, control arms, subframe, even tire wear.
- Fuel system. Fuel smell, leaks, rough running, fuel-system codes.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Instructions for replacing a CNG decal to comply with New York State regulations
- This Instruction to Service describes how to install a reminder decal for the SDS panel retaining lanyard…
This Instruction to Service describes how to install a reminder decal for the SDS panel retaining lanyard on specifically equipped buses.
- This Instruction to Service describes the procedure of removing the Comotech windshield wiper motors and…
This Instruction to Service describes the procedure of removing the Comotech windshield wiper motors and replacing them with Sprague windshield wiper motors on specifically equipped buses.
- Technical Instruction describing hos to remove, rework, and replace the stop request sign support bracket,…
Technical Instruction describing hos to remove, rework, and replace the stop request sign support bracket, to promote clearance for electrical wiring.
- Technical Instruction describing how to remove and install a decal indicating CNG fuel system tank expiry date
- Technical Instruction describing how to inspect and install new headlamp harness if required
- Technical instruction describing how to retrofit the updated Smart Rider Control Unit (PCU) on 40 foot buses
- Technical Instruction describing how to retrofit a metric MAN axle anti-sway bar end link hardware and…
- Technical Instruction describing how to retrofit new shock absorber dust covers, height sensor and harness…
Technical Instruction describing how to retrofit new shock absorber dust covers, height sensor and harness assembly for optional leveling systems on 2 and 3 axle vehicles. (Supersedes ITS58860)
- Technical Instruction describing how to retrofit new shock absorber dust covers, height sensor and harness…
Technical Instruction describing how to retrofit new shock absorber dust covers, height sensor and harness assembly for optional leveling system on 40 foot buses.
- Technical Instruction on how to install California Proposition 65 Labels for Non - Diesel Vehicles
- Service Manual Bulletin - Changes to Cummins ISLG and L9N engine oil specifications and oil change intervals
NHTSA lists 13 bulletins for this year; the 12 newest are shown here.
Other years of this model
Questions and answers
What are the most common problems with the 2020 NEW Flyer XN40?
There are no owner complaints in the NHTSA data for this year; the data comes from 13 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2020 NEW Flyer XN40?
NHTSA lists 13 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2020 NEW Flyer XN40 from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2020 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.