Home >> Audi >> 2021 >> TT Quattro S >> Repair and Diagnosis >> Engine Mechanical >> Exhaust >> Exhaust System, Emission Controls (Servicing - 4-Cylinder 2.0L 4V TFSI Engine (Ea 888 Generation III)) [Coupe] >> 26 Exhaust System, Emission Controls >> Secondary Air System >> Secondary Air Injection Solenoid Valve -N112-, REMOVING AND INSTALLING >> Tightening Specifications