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April 1, 2021 Service bulletin

This bulletin contains instructions for resolving a coolant leak.

Audi technical service bulletin A1921152061604_3 for 2007-2016 Audi A4, 2012-2015 Audi A6 and 2011-2017 Audi Q5 and others.

Bulletin number
A1921152061604_3
Component
Engine
Summary
This bulletin contains instructions for resolving a coolant leak.

Owners of these vehicles have filed 650 complaints in the engine category.

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