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Service bulletin LI4074E

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 id10111057
Published by NHTSA2017-08-14
Manufacturer's numberLI4074E
Manufacturer's date2017-06-29
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY

NHTSA's summary

Improved solution to secure Radiator Canopy Panel hardware

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, Cooling system, Radiator

Vehicles listed
NOVA BUS LFS2013 to 2014
NOVA BUS LFS2015, 2016, 2017
NOVA BUS LFS ARTIC2013 to 2014
NOVA BUS LFS ARTIC2015, 2016, 2017 (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.

Other bulletins for the same vehicles and component
FT4567R12019-09-16. Service bulletin. Engine Fan Connector hot
FT4566R12019-09-16. Service bulletin. Engine Fan Connector hot
FT45662019-05-13. Service bulletin. Engine Fan Connector hot
FT45672019-05-13. Service bulletin. Engine Fan Connector hot
LI4059ER12017-11-08. Service bulletin. In case of replacing the existing radiator, there is an option to either refit the radiator to the existing frame or replace the complete radiator assembly with frame.
LI3402ER32017-10-12. Service bulletin. Low coolant level sensor warning
BS4076ER12017-08-16. Service bulletin. Air supply line might get disconnected due to mismatch between the hose and the fitting.
Bs3219er32017-08-03. Service bulletin. The engine air intake hose could rub against the air conditioning compressor components