Secondary Air System Resonator, Removing And Installing: Removing
WARNING: This page is about a different car, the 2025 Audi A4 allroad and 2025 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
All except Audi A8/Q7/Q8:
-- Remove the Secondary Air Injection Pump Motor -V101-. Refer to Secondary Air Injection Pump Motor -V101-, REMOVING AND INSTALLING .
-- Disconnect the connector -3-.
-- Remove the nut -1-.
-- Press the release buttons on both sides and remove the secondary air injection hose -2-.
-- Remove the resonator.
Audi A8/Q7/Q8:
-- Remove the front noise insulation. Refer to OVERVIEW - NOISE INSULATION .
-- Free up the hose on the clip -1-.
-- Disconnect the connector -2-.
-- Remove the nut -3-.
-- Press the release buttons -arrows- and disconnect the wire.
-- Remove the resonator -4- from the bracket.