Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Cooling System 2.0L (DPAA) >> 19 Cooling System >> Coolant Pump/Coolant Thermostat >> Coolant Recirculation Pump -V50-, REMOVING AND INSTALLING >> Coolant Recirculation Pump -V50-, REMOVING AND INSTALLING, AUDI A4/A5 AND Q5 WITHOUT HIGH-VOLTAGE SYSTEM >> Tightening Specifications