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V-ribbed belts - Function and leading manufacturers

The V-ribbed belt is an evolved form of the fan belt, and it too is designed to transmit mechanical force, or torque from a drive to an other unit. That’s how, for example, cooling water pump, alternator or air conditioner compressor are powered in a car. In contrast to the conventional V-belt, the V-ribbed belts has several smaller ribs in the longitudinal direction of the belt instead of one single wedge or trapezoidal peak. A V-ribbed belt is more flexible and allows smaller circulation radii than a normal belt. The V-ribbed belt designation or usage number provides information about the length, number of ribs and belt profile. The power transmission and management is done by pulleys, over which the belt is tensioned. A V-ribbed pulley has a profile matching the belt. For the use as a timing belt in the engine technology, it uses cambelts instead of V-ribbed belts, which have a set of teeth transversely to the belt. Well-known manufacturers of V-ribbed belts are for example CONTITECH, DAYCO, BOSCH, GATES, SKF, FEBI BILSTEIN, and MAPCO.

How often must a V-ribbed belt be replaced?

V-ribbed belts are made of a rubber profile and have the tensile strength of a textile or steel wire core, hence, they wear out over time from mechanical stress and abrasion. A V-ribbed belt can have a life cycle of about 160,000 km depending on the model, but this depends on regular maintenance and the service intervals of the vehicle During damp weather it happens that the V-ribbed belt squeaks shortly after starting the engine, but this is not unusual. But if the sound is present more and more often even during dry weather and while driving, this is an indication of insufficient belt tension or advanced wear. For proper function of the units, the belt must be tightened or replaced if it is the case. You can find a matching v-ribbed belt for your car at particularly low prices in our online shop. You can also order here cheaply other spare parts for many car models.

Don’t wait until the V-ribbed belt breaks

In the worst case, the V-ribbed belt will break while driving, thus making regular maintenance intervals mandatory to detect and replace and worn belts. For older vehicles, it is often easy to make the replacement yourself, whereas for newer cars it is usually rather difficult. For this instance, you should follow relevant instructions of the vehicle model, which you may find on the Internet or in relevant literature.