Wayne W Kernersville , NC January 16, 2018 Appliance: General Electric Washer WHDRR418G1WW Ge Washer Whdrr418g1ww: Broken plastic teeth on control knob. How to replace Control Knob Assembly. Removed pin which holds the control knob with a paper clip. Aligned new control knob over metal pin and slid into place. Very easy repair. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes