Mark M Denver , CO July 20, 2023 Appliance: Kenmore Dishwasher 66516032402 Kenmore Dishwasher 66516032402: Upper spray arm was not turning. How to replace Circulation Motor. New circulation water pump and a new filter/food chopper. Thanks to both videos for each part...it helped tremendously. Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours