I have the same exact issue. It started showing up after 6K miles. It is more noticeable when the weather is hot. Haven’t figured out where it is coming from yet.
Not eBay. But it cost me $1000. It is not easy to change. The whole dash needs to come apart. Even the passenger airbag. But I did it anyways. Couldn’t wait anymore. If you need the contact to get the sync unit, DM me.
My Bronco has been at the dealership for a month now waiting for a new radio unit (my Sync 4 screen completely died and won’t turn on no matter what we tried. Plug battery, check fuse, hold the on/off button and skip button for 10 seconds, etc.).
Dealer diagnosis determines that the vehicle...