Robert B Venice , FL November 18, 2016 Appliance: Kenmore Dryer 11087721701 Kenmore Dryer 11087721701: Broken dryer belt and motor pulley. How to replace Dryer Drive Belt. Watched your very helpful video and proceeded in like manner. Took my time, as usual and while dryer was apart, cleaned and lubricated all rollers and idler pulley. Replaced all vent pipe. Re-assembled, Connected power and test ran. All is well. Do-It-Yourself Rating: Repair Time Estimate: 2+ hours