my hotpoint nll113eyowo dryer makes a scraching noise when it is running, like the ones you hear when your brakes are old. Also there is some black rubber debris coming out from the center of the back of the dryer.
One, or both drum idler wheels has failed, the noise is the drum shaving rubber of the now stationary wheel.
Belts and Idlers are a standard item that fit many dryers, and your local parts guy has them on the shelf.
Replace both idlers and the belt at the same time, the other wheel and belt will fail soon cause of the extra load, and they are both as old as the first one, and you dont want to pull the dryer apart twice.
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