What is the construction and purpose of V-belts, ribbed belts and parts?

V-belts, ribbed belts and parts are a set of engine accessory drive components, usually mounted in the front part of the power unit. It includes belts, idler rollers, tensioners, and pulleys cooperating with the alternator, air conditioning compressor, or power steering pump. Their task is to transmit drive and maintain proper belt guidance during engine operation.

What are V-belts, ribbed belts and parts used for?

V-belts, ribbed belts and parts are used to transmit drive from the crankshaft to auxiliary vehicle components. Without their proper operation, problems may arise with battery charging, air conditioning operation, power steering, or cooling of belt-dependent accessories. This system also affects engine refinement, as it limits slippage and vibration.

What is the construction and function of a belt tensioner?

A belt tensioner is a component that maintains proper belt tension under various engine operating conditions. It usually consists of a body, a spring or damping mechanism, and a roller cooperating with the belt. It is responsible for stable belt guidance, noise reduction, and reducing the risk of jumping or slipping.

How to choose the right belt or cooperating element?

It is best to compare the OEM number, engine variant, vehicle equipment, and belt path in the engine compartment. The number of ribs, tensioner type, roller diameter, and compatibility with the version with or without air conditioning are also important.

What symptoms indicate wear of the belt system?

Typical symptoms include squeaking after starting the engine, uneven belt operation, tensioner vibration, and visible cracks or abrasions. It is also worth checking for roller bearing noise and the condition of the pulley with a vibration damper.

What should be paid attention to during the installation of V-belts, ribbed belts and parts?

Before installation, check the cleanliness of the grooves, pulley alignment, and the condition of the tensioner mounting points. After installing the belt, make sure it runs correctly over all rollers and does not rub against covers or adjacent elements.

Accessory Belts

At the Global Parts automotive store, we offer a wide selection of original used car parts, including V-belts, ribbed belts and parts for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen and others. The V-belts, ribbed belts and parts we offer undergo quality control so that you can be sure that you are getting a top-quality product.

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