Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Convertible Top >> 61 Convertible Top >> Hydraulic System >> Hydraulic Line, Removing And Installing >> Hydraulic Line On Valve Block, Removing And Installing >> Tightening Specifications