car v belt

A ribbed belt is a flexible belt made from rubber or composite material, featuring ribs that run along its inner surface. These ribs grip the pulleys, providing the necessary traction to transfer power from the engine's crankshaft to various engine accessories. Unlike older V-belts, which were designed to drive a single accessory, the ribbed belt can handle multiple components simultaneously. This design not only simplifies engine layout but also improves performance and efficiency.


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The primary function of the V-belt is to transmit rotational motion from the engine to attached components. When the engine runs, the crankshaft spins, causing the V-belt to turn. This motion transfers power to the connected accessories, allowing them to perform their designated roles. For instance, the alternator relies on the V-belt to generate electricity for the vehicle’s electrical system, while the power steering pump uses it to facilitate smoother steering.


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