Home >> Audi >> 2021 >> TT Quattro RS >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Crankshaft, Cylinder Block (5-Cylinder Direct Injection 2.5L 4V TFSI Engine (Ea 855 EVO)) [Coupe] >> 13 Crankshaft, Cylinder Block >> Cylinder Block, Belt Pulley Side >> Overview - Ribbed Belt Drive