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Service bulletin FT4781

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 id10170597
Published by NHTSA2020-01-21
Manufacturer's numberFT4781
Manufacturer's date2019-12-12
NHTSA componentEQUIPMENT; 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

Engine, Equipment and accessories

Vehicles listed
NOVA BUS LFS2015, 2016
NOVA BUS LFS2019
NOVA BUS LFS ARTIC2016, 2017, 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
24V6570002024-09-09. EQUIPMENT:ELECTRICAL; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:WINDSHIELD:ELECTRICAL HEATING ELEMENT
22V4160002022-06-13. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS; ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
22V3230002022-05-11. EQUIPMENT; EXTERIOR LIGHTING
20191722019-04-05. Accessories
20191712019-04-05. Engine
20172642017-05-16. Engine
16V4120002016-06-08. EQUIPMENT
20155252015-11-05. Engine

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.
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.
LI5228ER22023-04-27. Service bulletin. DEF GEN4 tank, tank head and sensor will no longer be available in service
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.