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Service bulletin BS3735ER2

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 id10110105
Published by NHTSA2017-08-03
Manufacturer's numberBS3735ER2
Manufacturer's date2017-05-17
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

NHTSA's summary

Flexible bellows N79197 and N79198 may have an exhaust leak near the rigid exhaust pipe.

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, Exhaust and emissions, Exhaust manifold, pipes and muffler

Vehicles listed
NOVA BUS LFS2011
NOVA BUS LFS ARTIC2009 to 2012

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