Eric K Loveland , OH February 11, 2023 Appliance: KitchenAid 30" Built-In Electric Double Oven Thermal Convection Lower Microwave Convection KEHC309JSS05 Kitchenaid Oven Kehc309jss05: Broken torsion spring microwave door. How to replace Microwave Door Torsion Spring. Disassembled everything according to the video, swapped out both Torsion Springs (the broken one plus replacing the other one while I was in there), and put it all back together. Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours