How do you adjust idler pulley on Dodge truck 1500?

To adjust the idler pulley on a Dodge Ram 1500, first, locate the idler pulley in the engine bay. Use a wrench or ratchet to relieve tension on the serpentine belt by turning the tensioner pulley counterclockwise. Once the belt is loose, you can either replace the idler pulley if it's worn or adjust its position if applicable. After making adjustments or replacements, ensure the belt is properly reinstalled and tensioned before starting the engine.