I got my left front wheel bearing replaced about 4 months ago and now I am having a terrible squeeling noise from the left front wheel. The reason I got the bearing replaced was because there was a grinding (metal on metal) noise coming from the wheel. I took the truck to the ford dealership and the man said that he would have to replace the hubs. So I guess my question is, Are wheel bearings and hubs the same thing or are they different parts??? Thanks for the help!!