How do you attach a serpentine belt to a pulley?
How do you attach a serpentine belt to a pulley? Connect the serpentine belt tool to the tensioner. Rotate the tensioner counterclockwise just far enough to slip the serpentine belt off the pulley closest to the belt (or pulley easiest for you to reach, depending on what kind of vehicle you're working on). When do you need to replace the idler pulley? If it doesn’t, you probably need to replace the pulley. If you look at the belt when the car is running at idle, it moves quite smoothly along the system. When there is significant deterioration of pulley hardware,...