Secondary Air Injection Solenoid Valve -N112-, REMOVING AND INSTALLING: Installing
WARNING: This page is about a different car, the 2022 Audi Q5 e and 2021 Audi Q5 e. However, it is still accessible from the selected car via links, so may be relevant.
Additional procedures:
-- Install the vacuum pump. Refer to VACUUM PUMP, REMOVING AND INSTALLING .