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Service bulletin ENP-403

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 id10110255
Published by NHTSA2017-08-04
Manufacturer's numberENP-403
Manufacturer's date2016-12-07
NHTSA componentFUEL SYSTEM, OTHER; FUEL SYSTEM, OTHER:STORAGE

NHTSA's summary

Revision E. Instructions for repairing rubber cushioning for CNG system framework on Dallas Area Rapid Transit (DART) 40- and 31- foot CNG-fueled buses made by NABI Bus, LLC and equipped with Agility's systems on the vehicle roof. The additional instruction helps the rubber strips last longer.

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

Fuel system

Vehicles listed
AGILITY FUEL SYSTEMS CNG FUEL SYSTEM

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