Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis (Single Page) >> Brakes >> Mechanical - Hydraulic >> Hydraulic Components (Brake System) (2 Of 2) >> 47 Hydraulic Components >> Hydraulic System >> Hydraulic System, Bleeding >> Hydraulic System, Bleeding With Brake Charger/Bleeding Unit >> Tightening Specifications