Scott V Saginaw , TX August 12, 2018 Appliance: Whirlpool Dryer LER7646JQ0 Whirlpool Dryer Ler7646jq0: Squealing belt. How to replace Dryer Drum Belt 92-1/4" 4-Rib. Replaced the belt. Very easy. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes