Edward H Westfield , NJ August 22, 2014 Appliance: KitchenAid Undercounter Dishwasher KUDP01ILBL5 Kitchenaid Dishwasher Kudp01ilbl5: The upper dishrack would fall out/off of the sliding tracks. How to replace Dishwasher Upper Dishrack Wheel. The wheel posts/axles had disintegrated.Purchased 4 Upper Dishrack Wheel assemblies. The repair consisted of: 1. removing the two end caps from the two sliding tracks 2. sliding out the Upper Dishrack 3. replacing the 4 bad Upper Dishrack Wheel assemblies with the 4 good ones 4. sliding the Upper Dishrack back onto the sliding tracks 5. replacing the two end caps Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes