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Service bulletin BS3887E

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 id10117823
Published by NHTSA2017-09-14
Manufacturer's numberBS3887E
Manufacturer's date2017-08-31
NHTSA componentFUEL SYSTEM, OTHER; FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES

NHTSA's summary

Dust cap from PRD vent pipe of rear regulator on CNG units may pull off

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, Fuel tank

Vehicles listed
NOVA BUS LFS2015, 2016

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