The timing belt has teeth that turn the camshaft in time with the crankshaft. However, some cars and trucks use timing chains or gears, which are more durable. Signs of a worn-out timing belt ...

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 ...

The inner workings of an engine aren't all about gears and pistons ... One good example of this is the timing belt. It's the timing belt that connects the camshaft and crankshaft in the engine ...