Home >> Audi >> 2025 >> S4 Premium >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Cooling System (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine) >> 19 Cooling System >> Coolant Pump/Coolant Thermostat >> Coolant Pump, Removing And Installing >> Tightening Specifications