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Home >> Audi >> 2017 >> S3 Premium Plus >> Repair and Diagnosis >> Engine Mechanical >> Exhaust >> EXHAUST SYSTEM, EMISSION CONTROLS (4-Cylinder 2.0L 4V TFSI Engine) -- (A3 SEDAN) >> 26 Exhaust System, Emission Controls >> Secondary Air System >> Secondary Air Injection Solenoid Valve -N112-, Removing And Installing >> Removing

Secondary Air Injection Solenoid Valve -N112-, Removing And Installing: Removing

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

-- Loosen the hose clamp -2-.

GWWA21-10813Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolt -1- and push the left air duct pipe slightly to the left.

-- Disconnect the connector -1-.

GWWA26-11664Courtesy of AUDI OF AMERICA, LLC

-- Remove the connecting pipe -2- to do so push the locking ring on both sides together.

-- Remove the bolts -arrows- and remove the secondary air injection solenoid valve -3-.