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July 14, 2023 Service bulletin

This bulletin provides information for when there is an oil leak from the cylinder head.

Audi technical service bulletin A1523442053278_9 for 2019-2020 Audi A6, 2020-2021 Audi Q7 and 2018-2021 Audi S4 and others.

Bulletin number
A1523442053278_9
Component
Engine and engine cooling
Summary
This bulletin provides information for when there is an oil leak from the cylinder head.

Owners of these vehicles have filed 160 complaints in the engine category.

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