2013 Ford Explorer Pulley Diagram

As most people know, there are many different methods to adjust V-belt tension or the drive belt in the 2012 Ford Explorer Limited 2.0L EcoBoost. In the engine, the serpentine belt which activates and connects to every pulley is the most popular used recently. As the serpentine belts easily incorporate the automatic tensioner of belt, they do not require any tension adjustments. This kind of tensioner uses correct amount of tension into the belt. And it also uses an internal pre-set spring. Some imports and most older vehicles may be using the combination of serpentine belts and V-belts in offset pulleys controlled by crankshaft pulley. In the most cases, on 2012 Ford Explorer Limited 2.0L EcoBoost, there is belt tensioner that allows the proper tension to easily be adjusted.
1.Begin with opening the hood and locating drive belt system. Various kinds of vehicles use the different ways to adjust a belt tension adjustment mechanism and drive belts can be located in various areas.
2.Do what is needed to approach them and determine where tensioners are located on the individual belts. For example, lift 2012 Ford Explorer Limited 2.0L EcoBoost, remove the splash shield and tire(use the impact gun, car lift and a socket for wheel) or locate vehicle's upper tensioner and determine which tool you should adjust the tension.
3.If 333 is set up with this type of design, you should loosen slotted alternator bracket. But some other older vehicles will allow you to loosen their bolts on the alternator, involving the bracket-retaining bolt. The alternator will allow to be moved forth and back. To loosen the tension or remove the belt, alternator would cock in the position to ease the tension. Because the amount of tension is tightened, the alternator can be pried against the pulleys. On the drive belt, the alternator will be tightened down to increase vehicle's tension.
4.Located adjusters with the adjuster bolts locates on or near the alternator. For 2012 Ford Explorer Limited 2.0L EcoBoost which still use manual belt tensioner, it is a more common setting.It is counterclockwise to loosen by a single bolt. The pulley will wobble to remove belt as long as the bolt is loosened enough because the belt is removed and the pulley will be loosened. To adjust vehicle's tension, until the most proper tension is got, clockwise turn the bolt to apply tension on the belt.
5.On the belts, to test the proper tension. A typical rule of thumb for the right tightness is able to twist the belt with a finger and thumb a 1/2 turn. And it feels resistance. On the belt, you don't have enough the tension if you can turn more than 1/2 turn. If you cannot do that, you will have too much tension.
6.Instead of the components, put 2012 Ford Explorer Limited 2.0L EcoBoost back together to access belt tensioners. In order to test and operate 2012 Ford Explorer Limited 2.0L EcoBoost for several minutes. And then shut it off. In addition to touch the belt with your hands to see and check for the proper tension if the belt is not hot.
In the end, I hope this way can help you solve your problems in 2012 Ford Explorer Limited 2.0L EcoBoost.

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Source: https://carleg.com/How-to-Adjust-2012-Ford-Explorer-Limited-2-0L-EcoBoost-Tensioner-of-belt