Mike H Portland , OR September 25, 2023 Appliance: KitchenAid 30" Built-In Microwave KBMC140HSS02 Kitchenaid Microwave Kbmc140hss02: The spring broke to my microwave door and the internal light was out. How to replace Microwave Door Torsion Spring (Lh). I ordered the necessary parts - Torsion springs and a light bulb. I watched the videos. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes