Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Buzzing noise/humming noise 2002 Toyota Highlander › Reply To: Buzzing noise/humming noise 2002 Toyota Highlander March 2, 2021 at 1:21 pm #989191 Joshua JohnsonParticipant They also said it cant be a wheel bearing because the noise wasnt constant.