Robert T Gwynn Oak , MD February 17, 2020 Appliance: Admiral Electric Dryer LNC7766A71 Admiral Dryer Lnc7766a71: Loud squeaking noise caused by worn out drum roller. How to replace Dryer Drum Belt 92-1/4" 4-Rib. Very quick and easy fix to replace rollers. I replaced the belt while I had everything apart. It was still functioning but beginning to fray. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes