Jeff F Nicholasville , KY June 05, 2020 Appliance: Kenmore Undercounter Dishwasher 66513213K901 Kenmore Dishwasher 66513213K901: The rollers that add support the upper basket had deteriorated and broken. How to replace Upper Dishrack Roller. I removed the dishwasher and replaced the rollers using a nut driver. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes