Ken M Shelby , NC October 12, 2021 Appliance: Whirlpool Washer WFW8400TW00 Whirlpool Washer Wfw8400tw00: Leaking water. How to replace Door Bellow Seal. Watched the step-by-step video and used a few common handtools to replace the door bellow seal in about 75 minutes. I’m a very happy customer. Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours