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Service bulletin ITS-4902

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 id10044259
Published by NHTSA2012-05-30
Manufacturer's numberITS-4902
Manufacturer's date2012-05-30
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

NHTSA's summary

NEW FLYER: ON CERTAIN LOW FLOOR MODELS 30FT, 35FT 40FT, 60FT, CNG, THE MUFFLER SENSOR HARNESS NEEDS TO BE REMOVED, REPLACED AND THEN SECURED IN PLACE. NO MODEL YEARS LISTED. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine, Exhaust and emissions, Exhaust manifold, pipes and muffler

Vehicles listed
NEW FLYER NEW FLYER

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