Sheree B La Mirada , CA July 26, 2014 The timer on my dryer would turn the the knob would spin and the timer would not advance it also it did not line up I first changer the timer. During the install I realized the knob was the Main problem. The timer was very hard to turn, so I did replace it. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes