gas burner ignitor failure

Lift out sealed burner assembly rear of stove first while careully sliding to rear to disengage ignitor probes.Remove philips head screws from bottom sheet metal housing to expose bottom of burners Remove gas tube assembly screws and move tube away carefully.Unplug wires from ignitor.Remove screws for ignitor .Remove ignitor, I noticed that rust and dirt had built up around burner to pan connection.I used my oil filter wrench to turn slightly the burner to remove it from the pan to clean.Reassembled in reverse order.