Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 2014 fusion 1.5 new timing belt whine/humming › Reply To: 2014 fusion 1.5 new timing belt whine/humming April 6, 2021 at 7:51 pm #989872 Richard KirshyParticipant JMHO….. That doesn’t sound like belt hum. That is usually consistent hum or buzz. As far as I can tell from the audio on the video, it sounds more like chatter due to a failing bearing somewhere.