Howell C West Linn , OR March 27, 2016 Appliance: Model GE GLASS COOK TOP Switch knob stem broke off Replace switch. Not difficult but time consuming. Had to remove stove top, remove glass top, remove and replace switch, reassemble everything, reseal unit to counter top, hock up down draft vent. Works fine now Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours