Home >> Audi >> 2017 >> S3 Premium Plus >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> COOLING SYSTEM (4-Cylinder Direct Injection 1.8L; 2.0L 4V TFSI Engine) -- (A3 SEDAN) >> 19 Cooling System >> Coolant System/Coolant >> Cooling System, Checking For Leaks