The burner tube’s cleaning process has been shown. Now, it is time to clean the rest of the parts inside of our grill. Well, some of you might have heat deflectors inside there, you are going to follow the same procedure as cleaning your flavorizer bars. When you look inside the cook box, you will see big pockets of grease accumulation or food particles. You need to clean them, and for that, you can use a putty knife or flat straight-edged object. With these tools you can scrape excess grease into the bottom tray from the inside of the cook box.