Craig S Chattanooga , TN June 04, 2016 Appliance: Model MDE8400AYW, SERIES 10 Maytag dryer 8400 series start knob was not working properly had to pull with both hands to staart Replaced the timer part. AP PRO helped me figure out which of three timers went to my dryer. very quick and knowledgeable. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes