Ralph W Florence , KY November 17, 2015 Appliance: Whirlpool Electric Dryer WED9500TW2 Whirlpool Dryer Wed9500tw2: Dryer would come on timer would count down but the dryer wouldn't run. How to replace Dryer Drive Belt. Removed the back of dryer, discovered the Idler Pulley frozen up and belt broken. Watched the Utube video from Appliance Parts Pros. Ordered the parts from AppliancePartsPros.com and installed the pulley and belt as per the video. Works great! Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours