Secondary Air Injection Solenoid Valve -N112-, REMOVING AND INSTALLING: Removing
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2019 Audi A4 allroad, 2019 Audi A4 Quattro, 2018 Audi A4 allroad, 2018 Audi A4 Quattro, and 2017 Audi A4 allroad. However, it is still accessible from the selected car via links, so may be relevant.
Depending on the model, preliminary work may be required. Refer to the appropriate Service Information .
-- Remove the bolts and nuts -arrows-, and remove the heat shield -1-.
-- Disconnect the connector -1-.
-- Open the hose clamps -arrows- and remove the hose -2-.
-- Remove the double bolt -1- and bolts -arrows-. Remove the Secondary Air Injection Solenoid Valve -- -2-.