I have an automatic 2010 Ford Expedition Limited with 154,804.8 miles on it. I was hearing a roaring while driving coming from the front driver's side wheel area. It would get louder when I made a right turn, and almost disappear when making a left turn. The noise also get quiet at low speeds when I hit the brakes. I diagnosed myself and replaced the wheel bearing assembly myself (I did check the wheel bearing before replacing it and it was definitely going bad), yet I am still hearing the same noise under the same conditions coming from the exact same area. What else could be causing this problem? Is my rotor warped? Is my brake caliper messed up? Just need a pish in the right direction. My brake pads need to be replaced for sure, and if need be I will replace the rotor and caliper as well just to start fresh but I am very confused about what could still be causing this issue.
Jack up the car and turn the wheel by hand to see if there is any roughness or any obvious issue like the backing plate contacting the rotor or an issue with the CV joint.
Did you install an OEM wheel bearing, or at least a leading brand?
@chucktobias I purchased from Rockauto.com, its called Famous Brand but thats just a name they slap on wholesale closeouts so I'm not sure what the true brand is honestly, but it behaved properly before I installed it. I was wondering about that backing plate, but would the noise go away or lessen when I hit the brakes if that were the issue? That's what led me to think possibly the brake caliper was amiss
@coxmac5 If there were a caliper problem I'd expect that you'd see an overheated brake and pulling when stopping if it were not releasing. If mounting bolts were loose you'd hear clunking.
"Famous Brand" is probably a Chinese knockoff. Obviously I can't tell from here but it would not surprise me if such a bearing failed quickly. I stick with the leading brands when it comes to critical parts like wheel bearings.
Additionally as @oldandy stated, noises can telegraph all over a car so you can't 100% trust it's coming from where you think. (I've seen instances where rear axles noises sounded like they were coming from the front.) So you need to check all around the vehicle.
Noises like that can be deceptive. Check your other wheel bearings even though you're confident it was the driver front. Good luck.
@oldandy can do, I was thinking about replacing them all anyways. This is a used car that I recently bought that used to be a Ranch vehicle, so I want to start slowly replacing what I can afford to since I don't know how much abuse this thing has been through