Hi,Welcome to Just Answer, My name isXXXXX will be helping you with your appliance issue today.
you replaced the timer or the timer motor?
ok, you need to replaced the
Thermostat boosting heater
under it, you can get this @ http://www.repairclinic.com/PartDetail/Thermostat-Heater/1001?modelNumber=LE8407W2%2FPLE8407W2 this will take care of the issue. thanks Bryan