Eric D Wayne , PA July 28, 2014 Old charcoal filter The charcoal filter in the GE Microwave Oven was falling apart. Despite the directions, it is difficult to pull out but eventually worked it around the outer flange. Putting the new one in is a simple slide in. Then replace the grill and put the two screws back in. 18 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes