Unplug the power cord from the electrical socket.
Open the oven door. Remove the screws at the rear area of the oven floor.
Lift the oven floor panel out, and set aside.
Remove the screws holding the burner cover in place. The burner cover is also known as the flame shield. Lift the burner cover out of the oven.
Remove the two screws holding the ignitor to the burner assembly in the rear area of the inside oven cabinet. Unplug the electrical harness leading to the ignitor.
Position the new ignitor on the burner assembly. Install the two screws that hold it in place. Plug the electrical harness into its socket.
Replace the burner cover over the ignitor. Install the screws holding the cover in place.
Replace the oven floor panel. Install the two screws that keep the floor panel in place.