Cindy D Trenton , MI November 20, 2018 Appliance: Maytag Washer MVWB850YW1 Maytag Washer Mvwb850yw1 / : Broken knob. How to replace Control Knob Assembly. Easy fix, just placed the new one on. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes