Fred T Warren , OH November 10, 2014 The old timer wasnt advancing so the dryer overheated and blew the thermal fuse and the thermister i changed out all 3 parts and it works like brand new Changedall 3 parts took dryer apart cleaned all out and its like brand new again. the dryer is a Kenmore and is 13 years old. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes