Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Cylinder Head, VALVETRAIN 2.0L (DMSA) >> 15 Cylinder Head, VALVETRAIN >> Timing Chain Cover >> Timing Chain Cover, Removing And Installing >> Lower Timing Chain Cover, Replacing >> Tightening Specifications