Bryan V Dundee , MI November 13, 2023 Appliance: Whirlpool Washer WTW5000DW2 Whirlpool Washer Wtw5000dw2: Agitator/spin completely broken. How to replace Washer Gear Case. I needed a whole new gear case as the splines were eaten away and after trying to fix once with the metal more permanent piece it still ate it away. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes