Karen V Avon , OH April 22, 2020 Appliance: LG Washer WM3670HWA/00 Lg Washer Wm3670hwa/00: Black mold on door gasket. How to replace Inner Door Boot Seal Clamp. Purchased a new LG gasket based on my model. Replaced as instructed by watched video. Do-It-Yourself Rating: Repair Time Estimate: 2+ hours