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Engine belts serve multiple purposes, the most common being the power transmission from the engine to various components of the car. The primary belt in most vehicles is the serpentine belt, which drives multiple peripheral devices. These can include the alternator, power steering pump, water pump, air conditioning compressor, and more. The serpentine belt is designed to be a single, continuous loop that winds around multiple pulleys, allowing for the efficient transfer of power across several systems.


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The serpentine belt is designed to wrap around several pulleys in the engine, creating a continuous loop. Its primary objective is to transfer power from the engine’s crankshaft to the various accessories that require it. This is achieved through the rotation of the crankshaft which, in turn, spins the serpentine belt. The belt's ability to power multiple components simultaneously allows for a more compact engine design, reducing the number of belts required compared to older vehicles that often had multiple V-belts.


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