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Service bulletin TSB-019

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 id10076203
Published by NHTSA2016-07-07
Manufacturer's numberTSB-019
Manufacturer's date2016-03-09
NHTSA componentFUEL SYSTEM, OTHER:STORAGE

NHTSA's summary

ITT REGULATOR REPLACEMENT. SOME QUANTURM FUEL STORAGE MODULES (FSM)S ARE BUILT AND SUPPLIED WITH ITT PRESSURE REGULATORS AS PART OF THE FUEL STORAGE MODEL. IN SOME CASES, THE HGH PRESSURE REGULATOR (HPR) MAY EXPERIENCE GAS LEAKAGE WHICH CAN BE OBSERVED ESCAPING THRO0UGH THE VENT HOLE ON THE REGULATOR. CONTAMINATES WITHIN THE FUEL MAY ATTACK THE DIAPHRAGM IN THE REGULATOR WHICH MAY RESULT IN A FUEL LEAK.

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

Fuel system

Vehicles listed
QUANTUM FUEL SYSTEMS LLC. CNG FUEL TANK

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