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Service bulletin SF514AB

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 id10076218
Published by NHTSA2016-07-07
Manufacturer's numberSF514AB
Manufacturer's date2016-03-01
NHTSA componentEQUIPMENT

NHTSA's summary

A NUMBER OF CUSTOMERS HAVE INQUIRED ABOUT THE ANNOUNCEMENT BY IMPCO TECHNOLOGIES AND GM REGARDING FIELD ACTIVITY (NHTSA RECALL NUMBER 13139) AND THE OMB VALVESUSEDIN THE CNG CYLINDERS INSTALLED IN THE VEHICLES. CUSTOMERS ARE CONCERNED THAT OMB PRODUCTS PURCHASED FROM QUANTUM MAY HAVE SIMILAR ISSUES DISCLOSED IN THE RECENT RECALL AND PRESS RELEASES.

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
QUANTUM FUEL SYSTEMS LLC. CNG FUEL SYSTEM

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