Home >> Audi >> 2017 >> A3 Premium, 2D Convertible >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Turbocharger, Supercharger [CZPB, CZRA] -- (A3) >> 21 Turbocharger, Supercharger >> Charge Air System >> Charge Air System, Checking For Leaks >> Tightening Specifications