No heat

Remove elec.plug,vent pipe, gas line,(small room). Remove two door hinges (one screw each. remove two door braces from opposite side (one screw each). Must pull out on door supports to slide out door. Remove front panel from two tongues at bottom of dryer. BEHOLD, 11 years of dust. Remove dust. Loosen nut on support bolt for the Igniter.(do not remove the nut). Slide Igniter off bolt.Disconnect plug from Igniter. Slide new Igniter in place. (avoid touching Igniter tongs)Reconnect plug. Just firm up nut tightness to hold Igniter in place. Replace: front panel,door,gas line,vent pipe, Elec. plug. Test with some damp clothes. May take a moment or two to heat up.Works fine now.