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Service bulletin FT4950

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10182146
Published by NHTSA2020-11-04
Manufacturer's numberFT4950
Manufacturer's date2020-10-21
NHTSA componentSTRUCTURE; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE

NHTSA's summary

Engine door hinge becoming loose

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Body and frame, Engine, Equipment and accessories

Vehicles listed
NOVA BUS LFS2018, 2019
NOVA BUS LFS ARTIC2017, 2018 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20262282026-05-12. Structure
26V3000002026-05-12. VISIBILITY:GLASS, SIDE/REAR; STRUCTURE:INTERIOR PANELS:DOOR
20260062026-01-13. Structure
24V6570002024-09-09. EQUIPMENT:ELECTRICAL; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:WINDSHIELD:ELECTRICAL HEATING ELEMENT
24V0330002024-01-19. STRUCTURE:BODY:DOOR; VISIBILITY
22V4160002022-06-13. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS; ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
22V3230002022-05-11. EQUIPMENT; EXTERIOR LIGHTING
20202712020-06-17. Structure
20V3540002020-06-15. STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS; ELECTRICAL SYSTEM:SOFTWARE
20191722019-04-05. Accessories

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
LI5316ER22024-02-24. Service bulletin. Crank case vent (CCV) hoses may get damaged over time.
LI5427E2023-12-22. Service bulletin. Improved durability of engine-side heat exchanger hoses.
BS5469E2023-12-22. Service bulletin. The belt guard hinge may crack.
BS5467E2023-10-17. Service bulletin. Potential presence of a gap may cause frame crack. Only to perform during a frame crack repair process near front bolt of joint #2.
FT54632023-09-26. Service bulletin. Failure of camera bracket will cause the camera to swing while bus is in motion.
FT46512023-08-17. Service bulletin. Failure of DEF sensor GEN 6 within the expected 5-years lifespan.
BS5357E2023-04-03. Service bulletin. Lexan panels cracking at mounting holes. Need to change the attachment of Lexan panels due to apparent cracks.
BS5356E2023-04-03. Service bulletin. Lexan panels cracking at mounting holes. Need to change the attachment of Lexan panels due to apparent cracks.
BS5320ER12023-04-03. Service bulletin. Fire light coming on in the dash, Fire detection system
BS5379E2023-03-21. Service bulletin. P-clamps holding the transmission coolant pipes can break and cause coolant leaks.