Idler pulley is the part of the belt system of the vehicle, which helps in regulating how the belts will run from the crankshaft for generating movements in various parts of the engine accessories. The pulley is one part of the set on which the belt rests. These are also known as serpentine belts when they are running across different kinds of pulleys. The belts will always run from power steering pump, alternator and air conditioning compressor. These are very important in the functioning of the car and if they fail, then you must know how to replace them.

The idler pulley is the only point, which can be adjusted for replacing a belt. Replacing these will always include certain things like replacing more than one belt. The idler pulley tensioner is very effective in creating the right amount of tension on the belt. Anyone can adjust it for releasing or increasing tension on the belt. The only problem is the free wear of the pulley, which can cause many wear out problems. Some of the idler pulleys are made with materials, which can degrade after a few kilometers or time. Once this happens, then the idler pulley must be replaced for maintaining the belts of the vehicle.

How to Replace Idler Pulley

It is a known fact that the pulleys will last much longer than the belts, which can fry rot or crack frequently and then one might have to check it from time to time for replacement. When you inspect your vehicle belt for any kind of damage, then you must take a quick look at the idler pulley as well. If the pulley has failed then the belt will be impaired from its position and it may have snapped out from the vehicle. The vehicle cannot be driven further if the working pulley and the belt are not in good shape. If this is the situation then get it replaced and follow all the correct precautions for securing the vehicle and take care of the fan in that area.