Benjamin D North Augusta , SC July 27, 2025 Appliance: Whirlpool Washer WTW5000DW1 Whirlpool Washer Wtw5000dw1: Humming sound and not draining. How to replace Washer Drain Pump. I honestly took a guess based on the symptoms. The diagnostic mode allowed me to test each cycle type and see that everything worked except the drain cycle. Made a decision to just start with the pump and see what happens from there. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes