What is a serpentine belt and what does it do?

A serpentine belt, also known as a multi-vee, poly-v, or multi-rib belt, is a single, continuous belt used to drive multiple peripheral devices in an automotive engine, such as an alternator, power steering pump, water pump, air conditioning compressor, air pump, etc. read more

The serpentine belt, also known as the drive belt, is a belt on a car engine that works with the idler, tensioner, and pulleys inside the accessory drive belt system. It provides power for the air conditioning, alternator, power steering, and sometimes the cooling system water pump. read more

Well, it won’t keep your pants up, but it does transport power to your vital automotive components. The serpentine belt is one long, snaking, winding belt that keeps your alternator, power steering pump, air conditioning and — in some cases — your water pump running smoothly and effectively. read more

The next evolution in belt design is the “micro-v”, “poly-v” or “serpentine belt”. The name as implied is a series of small V shaped ribs on a wider, flat belt which provides a much greater surface area for driving accessory components. read more