V-belt test - comparisons. Com 2024

No engine will run without the V-belt

It is black and made of rubber, the V-belt. Its main task is to drive rotating components. V-belts are therefore found in many devices. In the washing machine, it turns the drum and in the car it ensures that the alternator is charged.

It is one of the most important components in vehicles. There are in V-belt offer countless designs for all possible vehicles. In this guide, we therefore not only limit ourselves to car V-belts or V-ribbed belts, but also give an overview of where there are other uses for V-belts.

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What is the V-belt used for?

V-belts are drive belts that mainly drive certain units in vehicles. These include such important things as:

• alternator
• Hydraulic pump
• Air conditioning compressor
• Fans
• Power Steering
• water pump

The V-belt connects the so-called V-belt pulleys with one another. Earlier V-belts were flat, today's ones have trapezoidal teeth or longitudinal grooves. Such V-belts are always made endless and consist of rubber with a steel or textile insert. Thanks to the teeth or grooves, a V-belt can transmit much higher torques than a flat belt. That is why V-belts with trapezoidal teeth or V-ribbed belts are mainly used in vehicles. V-belts are subject to increased wear and tear and must be changed at certain intervals depending on the age or mileage of the vehicle. If a V-belt breaks, the alternator can no longer charge the battery, the power steering and the water pump may fail. This can lead to the engine overheating and damage.

How do you recognize wear on the V-belt?

Within the V-belt rating there are various features that indicate wear. A clear sign is the squeaking of the V-belt, but there are also signs of aging, such as cracks or porous areas. The V-belt should therefore always be inspected once. Even if the battery indicator lights up on the dashboard, this can be an indication of a worn out V-belt. Another simple trick to check the expansion of the V-belt is as follows: To do this, the vehicle must be parked and the engine must have cooled down. If you pull on the V-belt now, it mustn't be pulled more than one to two centimeters. If the game is bigger - exchange!

When does the V-belt have to be changed?

Auch the best V-belts must be changed once. If you have noticed the first signs of wear and tear, you should act. By the way, you should always adhere to the manufacturer's change intervals. A maximum number of kilometers and the maximum age of the V-belt are specified for this. This means that anyone who has not yet reached the mileage but has exceeded the age of the V-belt must also be changed.

How can you maintain the car V-belt?

With a V-belt spray, which can be bought for a few euros in the vehicle accessory trade, you can not only maintain the V-belt, but also delay aging. This spray is ours too V-belt purchase recommendation for a safe journey. V-belt spray is a silicone spray, please not with Kettenspray confound.

CONTITECH V-belt

What else is there for V-belts?

V-belts are mainly required for cars and other vehicles. But there are also special applications for other drives. So there is, for example Snowblower V-beltwhich for Lawn mower or V-belt 13x1000 for MTD scarifiers. Washer fan belt are mostly V-ribbed belts with longitudinal ribs, sewing machine fan belt are on the other hand smooth or toothed. There are also V-belt sets to buy including a tensioning pulley, which should always be changed anyway.

So you can change a V-belt

Changing the V-belt is no hurdle for the experienced screwdriver. With modern cars it is usually more difficult because the interior under the bonnet is hardly accessible. This shouldn't be a problem with older vehicles.

1. V-belt tool from the tool bagas Spanner set, Steckschlüsselsatz or Multifunction Tool ready
2. Switch off the ignition and remove the key.
3. Remove the old V-belt by loosening the oblong screw on the generator. The alternator is now freely accessible and the old V-belt can be removed.
4. Put on the new V-belt and tighten it again when pushing back the generator.
5. When the engine is started, the battery indicator must no longer light up, then you have done everything correctly.

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Conclusion on the V-belt

A new V-belt is inexpensive, but replacing it in the workshop is expensive. Anyone who drives an older vehicle and trusts themselves to replace a V-belt and is also familiar with the function of the components can certainly lend a hand.