You need to remove the accessory
Drive Belt, raise and support the vehicle, remove the engine shield bolts and the engine shield, and install a ratchet into the A/C belt tensioner adapter opening. You also need to rotate the A/C belt tensioner clockwise, remove the A/C belt from the pulleys, release the tension on the A/C belt tensioner, remove the ratchet, and clean and inspect the belt surfaces of all the pulleys.