Serpentine belt tensioners are critical to the proper operation of the drive belt. If the tensioner becomes loose, worn or the bearings start to drag, it can fail and damage the serpentine belt, making replacement of the belt and tensioner necessary. The tensioner is responsible for maintaining the proper tension on the serpentine belt, and most tensioners use a spring-loaded arm with a pulley on it to effectively perform this task.
A new tensioner is available from your Chrysler dealer as well as many auto parts stores. Remove the negative battery cable from the battery using a wrench. Set the cable aside, making sure it cannot touch the battery terminal while you are working on the engine.
Position a jack under the right side of the van and raise it off the ground. Insert a jack stand under the frame to support the vehicle. Locate the drive belt shield or splash shield and remove it by prying out the plastic rivets that secure it with a flat head screwdriver.
Locate the belt ... more.
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