Christian K Calpine , CA October 15, 2024 Appliance: Maytag Gas Dryer MDG4000BWW Maytag Dryer Mdg4000bww: Burner wouldn't reliably light. How to replace Dryer Gas Valve Coil Kit. Replaced coils on gas valve; while at it replaced door screws which were starting to wear from assorted repairs over the years. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes