Linda B Inlet Beach , FL October 12, 2019 Appliance: General Electric Electric Dryer DX4500EG0WW Ge Dryer Dx4500eg0ww: Rotary switch and control knob worn out and broken. How to replace Knob Clip. Just replaced the parts. 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes