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Service bulletin TSB-020

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 id10076202
Published by NHTSA2016-07-07
Manufacturer's numberTSB-020
Manufacturer's date2016-01-08
NHTSA componentEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

NHTSA's summary

PRD MANIFOLD MOUNT. ALL GENERATION 1 & 2 FRAME MOUNT FSMS HAE PRESSURE RELIEF DEVICE (PRD) MANIFOLDS. THE PRD MANIFOLDS ARE CONNECTED TO A LIVE PORT ON THE TANK VALVE AND ARE DESIGNED TO SAFELY VENT THE CYLINDER UNDER CERTAIN CONDITIONS. EARLIER PRD MANIFOLD ASSEMBLIES USED A SMALLER DIAMETER VIBRATION MOUNT. UNDER CERTAIN CONDITIONS, THE P-CLAMP MAY FAIL AGAINST THE VIBRATION MOUNT CAUSING THE PRD LINE TO DROOP AND CAUSE THE PRDS TO CONTACT THE FSM COVERS. REPLACE THE PRD MANIFOLD MOUNTS AS NECESSARY FOLLOWING THE PROCEDURE IN THIS BULLETIN.

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, Fuel system, Labels and manuals, Fuel tank

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.