Also called the drive belt, this is a long winding belt that is wrapped around several components of the car engine and serves the purpose of powering the parts of the engine it is wrapped around. Without a properly functioning serpentine belt, a car would run inefficiently, or it would not run at all. All of the equipment on the front of the motor are driven by the drive belt, commonly known as the serpentine belt. It is not to be mistaken with the timing belt, which has a completely different function. A set of pulleys powered by the rear of the engine delivers power through the auxiliary belt. The generator, water unit, air conditioning compressor, and, on rare occasions, the power steering pump and cooling fan are all driven by one single belt. Two or three v-shaped belts connected the crankshaft pulley to the accessories in old automobiles, so they revolved with the engine. This took up more space than a single belt system and resulted in higher parasitic friction losses. The broad, flat, multi-ribbed form of the serpentine belt can power several components while taking up less space. Accessories may be spun with the rear of the belt with much less resistance for increased fuel economy with careful designing. When you replace the oil, inspect the serpentine belt. The failure of the belt is usually not fatal, but your automobile may soon overheat if the water pump does not turn after a few kilometers. Even though the belt appears to be in good condition, it should be replaced every five years or 60,000 miles. Replacements are affordable and usually take only a few minutes to install.
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