alternator belt

A timing belt is a rubber belt that synchronizes the rotation of the crankshaft and camshaft. This coordination is vital because it ensures that the engine’s valves open and close at the proper times in relation to the position of the pistons. If the timing belt fails, the consequences can be catastrophic. An engine may misfire, and in the worst-case scenario, a broken timing belt can lead to serious engine damage, including bent valves, damaged pistons, and in some cases, a complete engine failure.


...

The serpentine belt operates using the engine's crankshaft pulley as its primary drive. As the engine runs, the crankshaft rotates the belt, which, in turn, engages various accessory pulleys. This movement powers the alternator, which generates electricity for the vehicle’s electrical system and battery. Additionally, the belt drives the power steering pump, enabling easier steering, supports the air conditioning system to keep the cabin cool, and can also power the water pump in some vehicle designs. The continuous action of the serpentine belt ensures that these critical systems function smoothly and efficiently.


...