Robert C Saint Charles , MO January 17, 2020 Appliance: Bosch Washer WFMC6401UC/03 Bosch Washer Wfmc6401uc/03: Washer not draining. How to replace Drain Pump Motor Assembly. Replaced drain pump motor and cleaned out sump. Works like new now. Easy repair guided by numerous YouTube videos. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes