Robert B Redondo Beach , CA October 29, 2017 Appliance: KitchenAid Built- In Electric Oven W/Mw KEMS378GSS0 Kitchenaid Oven Kems378gss0: I had a broken torsion spring on our Kitchenaid microwave oven combo. How to replace Microwave Door Torsion Spring (Lh). Followed the Appliance Parts Pros video. Took about 10 minutes. Removed 2 screws inside door above glass. Removed 4 lower vent screws and vent. Removed 2 screws under bottom edge of plastic door and door, exposing torsion springs. Replaced springs and reassembled. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes