David C Hartford , KY October 08, 2021 Appliance: Whirlpool Electric Dryer WED6400SW0 Whirlpool Dryer Wed6400sw0: Heating element failed. How to replace Radiant Surface Element (Dual). Ordered a new element on a Sat. It arrived on Tues. Installed and running in less than an hour. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes