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Service bulletin A1521392053278_8

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 id10198480
Published by NHTSA2021-07-02
Manufacturer's numberA1521392053278_8
Manufacturer's date2021-06-25
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION

NHTSA's summary

This bulletin contains repair instructions for 3.0 and 2.9 TFSI engines that have oil loss around the engine compartment, front end, and underbody.

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, Engine oil and lubrication

Vehicles listed
AUDI A42018, 2019, 2020, 2021
AUDI A62019, 2020, 2021
AUDI A72019, 2020, 2021
AUDI A82019, 2020
AUDI A82021
AUDI AUDI
AUDI Q52018, 2019, 2020, 2021
AUDI Q72021
AUDI Q82019, 2020, 2021
AUDI RS 52019
AUDI RS 52020
AUDI RS 52021
AUDI S5 CABRIOLET2019 to 2021
AUDI S62019
AUDI S62020, 2021
AUDI S72019
AUDI S72020, 2021
AUDI S82019
AUDI S82020, 2021
AUDI SQ52021
AUDI SQ72021
AUDI SQ82021

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

Other bulletins for the same vehicles and component
A1323192071114_12023-10-05. Service bulletin. This bulletin provides information for when the engine oil level is too low, and oil consumption is too high.
A1521362053278_52021-02-04. Service bulletin. This bulletin contains repair instructions for 3.0 and 2.9 TFSI engines that have oil loss around the engine compartment, front end, and underbody.
A9120392061490_12020-12-04. Service bulletin. This bulletin covers Audi connect: oil level in the myAudi app is implausible
A3920372059759_22020-12-04. Service bulletin. This bulletin contains instructions for an oil leak in the bevel box.
A1720112060750_12020-11-05. Service bulletin. This bulletin contains instructions for using the UV additive to find engine oil leaks.
A0120762054893_32020-09-03. Service bulletin. This bulletin contains instructions for documenting the "Please reduce Oil Level" message in the instrument cluster potentially with an Engine Warmup request.
A1020192059446_22020-08-06. Service bulletin. This bulletin contains repair instructions for oil loss found in the engine compartment.