In many engines, timing belts have replaced metal timing chains (similar to a bicycle chain) connecting the camshaft and crankshaft gears. The camshaft and crankshaft must work in perfect harmony ...
Camshaft and crankshaft gears are connected by a timing chain or timing belt (similar to a drive belt, but with teeth), or a mesh gear set (two interlocking gears) located in the "front end" of an ...