David K Aurora , CO March 11, 2019 Appliance: KitchenAid Microwave Hood KMHC319ESS1 Kitchenaid Microwave Kmhc319ess1: Noisy and non moving inside tray in microwave Kitchenaid only 2 years old. How to replace Coupler. Replaced motor and inside coupler for glass tray. 4 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes