Something is out of balance or possibly a wheel bearing.
Replace universal joint on rear of driveshaft
Bad tire? Bent rim?
Examine the rear suspension, especially the shocks/struts.
It must be the rear brakes at fault.
manualy adjust the brake calibur on rear brake slot located under rear axles on the inner brake cover.
If your going over bumps and it squeeks first check for worn out bushings, that is most common cause as bushings wear out there is more metal on metal contact. look for anything that may have come a little loose (shocks , bolts etc... ) that could also cause it if your driving on smooth pavement and it squeeks faster as you go faster you have bad U-joints get them replaced soon or they will fall apart and leave you stranded
Bent rim. If you rotate it to the rear it may eliminate problem. Have the wheels inspected and replace a bent one. Putting it on the rear will cause your rear axle bearings to wear out. Do not mount a bent wheel on your car, replace it.
Rear as in rear end
possibly loose?? or engine runnability problem. Alos drivetrain vibration or wheel balance problem will cause it
I'm having the same problem right now, its my rear rotors. They are warped from the pads heating them to too high of temp. Hope this helps.
Rear means behind
At the rear of something