Tom C Umatilla , FL February 14, 2015 The dryer timer and knob were both bad Ordered parts from AppliancePartsPros checked out a how to video on line so there wouldn't be any surprises. Then did the repair, went easily and took about 30 minutes start to finish. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes