Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 2007 explorer NO HEAT AND CLICKING NOISE???? › 2007 explorer NO HEAT AND CLICKING NOISE???? January 19, 2012 at 11:00 am #439491 twiggyParticipant That’s quite a generous glob of grease. Probably its conductive grease to prevent static buildup to cause electronics failure. I know from experience that untreated plastic gears cause hall sensors to fail.