Raymond H Brownsburg , IN October 03, 2015 Appliance: Maytag Electric Dryer MDE6657BYW Maytag Dryer Mde6657byw: The drier would not heat timer knob was also difficult to stay engaged for various cycles intermittantly. How to replace Timer. Used you site to diagnose the problem of no heat, the timer was listed as the last option. Since the timer knob was acting up also, I started there. Problem solved first try! Excellent installation video. The repair was completed in less than 5 minutes. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes