Richard M Saugus , MA December 10, 2019 Appliance: KitchenAid Dishwasher KUDG25SHBL1 Kitchenaid Dishwasher Kudg25shbl1: Loose lower spray arm. How to replace Ring Bearing. Replaced ring bearing, nylon radial bearing, and retainer screw Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes