Answer Hi Termite. Is the timer making a rattling or a chatter sound? They will do this for a period of time before the timer fails. This will be part # WP3976576. If the door is opening slightly, the door switch is part # WP3406107. Thank youIt sounds like the venting system is clogged or kinked. You will need to check the vent and clean it out. Be sure and clean the vent pipe and the dryer air duct assembly. If the air flow is not good, the unit will retain moist air causing the clothes not to dry. Try running the unit with the vent unhooked from the back of the dryer and see if the dryer works properly. Hope this helps. . Read More... Answered by AppliancePartsPros.com | Friday, July 22, 2011