It's a good idea to lube the door hinges every time you change the oil or lube your chassis. Once the hinge pins are worn to to the point that they make noise, you'll need to replace the hinge pins and bushings.
A 2000 Chevrolet automobile grinding noise can be caused by several things. The most common cause of a grinding noise is worn brake pads.
New CV joints will fix the grinding noise
The pump will need replaced if it is grinding.
I have the same problem if it was making a grinding noise contact ego-fly if its not making a grinding noise the rotors might be hitting each other
engine problems not trans.
if u put wider aftermarket tires on then the tires are rubbing on the fender wheel well if you are refering to in/at the actual steering wheel, then some grinding noise is normal. it's possible the electrical contacts for airbag/cruise/radio controls, whatever you have on the steering wheel are making some grinding noise.
Sounds like you need a water pump, The bearings in the water pump are making the noise not the pulley.
Wheel bearing
The bearings are damaged.
The expedition door lock relay could be stuck causing the grinding noise. Check to insure that the lock relay is working properly.
Your pads or discs are worn. The brakes will fail soon if not replaced.
Because cars aren't meant to fly