Rebecca S Greensboro , NC July 02, 2016 Appliance: Model HTDX100ED3WW Stiff worn timer on a hotpoint dryer Replaced the timer. Very simple, thanks to the video by Appliance Parts Pros. It took less than ten minutes from pulling the dryer out to putting it back and starting it. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes