My dryer makes a horrible screeching noise whenever it runs. I figure it's the belt or the rollers or bearings, but I am having trouble pinpointing the source since I can't seem to get the cabinet apart to get to the drum. I was able to remove a couple screws and get a peek at the top of the drum and the belt, which appeared to be fine. I know that the rollers are located under the drum, but the darn cabinet seems to be connected everywhere, no matter how many screws I remove. Any suggestions would be appreciated. Thanks!