Scott M Loves Park , IL February 17, 2017 Appliance: KitchenAid Dishwasher KUDI21DS2 Kitchenaid Dishwasher Kudi21ds2: Needed new bottom rack for dishwasher. How to replace Lower Rack. Took the old wheel gliders off put on new rack Works like a charm! Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes