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Service bulletin Email-Important

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 id10144621
Published by NHTSA2018-09-17
Manufacturer's numberEmail-Important
Manufacturer's date2018-05-25
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

NHTSA's summary

Important TDI Announcement: Audi 3.0L TDI GEN 1.1 Modification Available June 4

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

Engine, Exhaust and emissions

Vehicles listed
AUDI Q72009, 2010

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

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