Darrell R Estill Springs , TN July 21, 2018 Appliance: General Electric General Electric GTDP180ED0WW Ge Dryer Gtdp180ed0ww / : Timer dial was not working (stripped out). How to replace Dryer Timer Control Assembly. First I watched video on APP website, then I replaced the timer. Very easy fix. only took about 15 minutes. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes