Dryer runs but produces no heat

Unplug the unit. The top of the dryer is held down by 2 simple friction pins. By lifting the dryer top above it's front door panel the top will swing up. Prop the top up so you can reach down the front panel. There are 2 Phillips screws about 6 inches down on the dryers front panel. Remove the 2 screws, tip the front panel toward you it will slip off the dryer drum. Remove the 2 push on wires attached to the door switch. Gently lift the front panel off the 2 hinge points at the bottom and set it aside. The parts that your going to replace are the 2 solenoids on the burner assembly. The burner assembly is located on the lower left side of the dryer. Remove the 2 Philips screws that "clamp" the solenoids in place. Pull the 3 & 2 wire friction connectors off the solenoids. Lift the clamp off the top of the solenoids. Pick the 2 solenoids up off the valve assemble. Put the 2 new solenoids on the valve assembly push the wires back on, put the clamp back on and resemble the dryer. *Note: just to make a quick check on the continuity of the solenoids. I suspended the dryer drum so it could rotate without damaging it, put my clamp on amp probe on the 120v line to the solenoids the 3 wire one was good the 2 wire one was open.