Donald L Norton , MA June 21, 2015 Appliance: Maytag Gas Dryer MDG5500AWW Maytag Dryer Mdg5500aww: The gas dryer would not get hot enough. How to replace Dryer Gas Valve Coil Kit. I watched your repair video on gas dryers not heating up. I replaced the coils and flame sensor. and it works. Thanks! Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes