Barbara B Grand Rapids , MI March 15, 2014 One of the origanl knobs brock trying to turn on. I order a replacement knob from AppliancePartsProd.com in came in mail in less then a week and was a PERFECT fit and the lowest price I could find. I will be shareing this will anyone else that has a replacement need, NO tools needed Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes