Timing Components: Description and Operation

Chain Drive







The chain drive is on the power output side of the engine. It consists of the primary roller-type chain and the camshaft roller-type chain. The primary roller-type chain is driven by the crankshaft. It drives the camshaft roller-type chain and the oil pump via a sprocket. The camshaft roller-type chain drives the two camshafts and the fuel high-pressure pump. The hydraulic chain tensioner guarantees the exact tensioning of the cam drive chain.