automotive v ribbed belt

The timing belt is a reinforced rubber belt that connects the crankshaft to the camshaft(s). This connection is vital because it synchronizes the rotation of these two essential parts of the engine. As the engine operates, the timing belt ensures that the valves open and close at the correct times during each cylinder's intake and exhaust strokes. If the timing belt fails, it can lead to catastrophic engine failure, including bent valves and damaged pistons.


...

Another type of belt found in some vehicles is the timing belt. Unlike the serpentine belt, the timing belt is critical for synchronizing the rotation of the crankshaft and camshaft. This ensures that the engine's valves open and close at the correct times in relation to the position of the pistons. Generally made from a rubber material reinforced with fiber, the timing belt is subject to significant stress due to high temperatures and mechanical strain.


...