What is an alternator belt in a car?

The alternator is a generator that converts mechanical energy into electrical energy. ... The alternator belt may solely operate the alternator or it may also drive other items such as the water pump, air conditioning compressor, and the power steering pump. read more

An automotive charging system is made up of three major components: the battery, the voltage regulator and an alternator. The alternator works with the battery to generate power for the electrical components of a vehicle, like the interior and exterior lights, and the instrument panel. read more

Symptoms of a Bad or Failing Alternator Belt Symptoms of a Bad or Failing Alternator Belt A failing alternator belt can cause the Battery Light to turn on, dimming or flickering lights in the car, and engine stalls. read more

Serpentine belts: If a serpentine belt is failing, accessories may not work properly, car may be hard to start or not start at all, and the belt may emit a squeaking, screeching or chirping sound. Causes can include cracking, wear or stripping, fluid contamination and poor belt tension. read more