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Service bulletin Circular - Servi

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 id10138346
Published by NHTSA2018-05-21
Manufacturer's numberCircular - Servi
Manufacturer's date2018-03-20
NHTSA componentFUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES; FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

NHTSA's summary

Over an extended period of time, it is possible for the high pressure fuel pump sealing system to develop a minor film of fuel (?sweating?) at the high pressure fuel pump flow control valve.

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 pump, Fuel tank

Vehicles listed
AUDI A3 ETRON2015

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