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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 id10082124
Published by NHTSA2016-10-12
Manufacturer's numberENP-403
Manufacturer's date2016-09-16
NHTSA componentEQUIPMENT

NHTSA's summary

REV. C: APPLICATION OF RUBBER STRIPS TO REDUCE VIBRATION AND NOISE ON ROOF MOUNTED BUS FUEL SYSTEMS. THIS PROCEDURE APPLIES TO PART NUMBER 23905000 (40-FOOT) AND 23906000 (31-FOOT) AGILITY FUEL SYSTEMS CNG-FUELED BUSES SUPPLIED TO NABI BUS, LLC FOR DALLAS AREA RAPID TRANSIT (DART).

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

Equipment and accessories

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.