Secondary Air Injection Solenoid Valve -N112-, REMOVING AND INSTALLING: Removing

WARNING: This page is about a different car, the 2022 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

-- Remove the air filter housing. Refer to AIR FILTER HOUSING, REMOVING AND INSTALLING .

Vehicles with a Particulate Filter:

-- Remove the particulate filter. Refer to PARTICULATE FILTER, REMOVING AND INSTALLING .

Continuation for All Vehicles:

Fig 1: Heat Shield

Courtesy of AUDI OF AMERICA, LLC

-- Free up the wires at the heat shield -1-.

-- Remove the nuts and bolt -arrows- and remove the heat shield.

All procedures are described. Refer to Secondary Air Injection Solenoid Valve -N112-, REMOVING AND INSTALLING .