Крис Младенов 2.0 TDI Cylinder Head Repair: Cams and Lifters When we take the rocker cover off a TDI, we're looking right into the heart of the engine: the camshafts, roller rocker arms and hydraulic lifters. You can usually tell straight away whether the engin... Camshaft Cylinder head Hydraulic tappets TDI Jun 20, 2022