Gerald V Geneva , FL October 27, 2017 Timer knob broke on my dryer. To simple of a fix to really talk about. The old Knob cracked, ordered a new one. and once you line up the notch on the new know to to flat side of the timer rod it just pushes on. repair takes about 5 seconds. start to finish. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes