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Service bulletin A2020322061778_1

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 id10185227
Published by NHTSA2021-01-08
Manufacturer's numberA2020322061778_1
Manufacturer's date2020-12-18
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE; FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

NHTSA's summary

This bulletin contains repair instructions for addressing a noise from the fuel lines.

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, Fuel system, Fuel hoses and lines

Vehicles listed
AUDI TT2019, 2020, 2021

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