CONCERN: Dryer is making a loud noise when tumbling. DIAGNOSTIC AND CAUSE: Inspected dryer barrel operation, operation normal. Inspected blower wheel for restrictions, no restrictions in or around blower wheel. Found dryer drum support rollers failed. CORRECTION: Replaced rollers, belt, and idler pulley. Operation now normal Removed dryer drum to access loose lint inside the dryer cabinet. Cleaned out dryer cabinet and inspected parts for defects. Dryer internal drum support components are in good shape. Reassembled cabinet and tested dryer.