Check Valve, Removing And Installing, With Vacuum Line In Plenum Chamber: Notes
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2022 Audi S5 Sportback, 2022 Audi RS 5 Sportback, 2022 Audi A5 Sportback, 2021 Audi S5 Sportback, and 2021 Audi RS 5 Sportback. However, it is still accessible from the selected car via links, so may be relevant.
The check valve is integrated in the vacuum line and cannot be replaced separately.