yes it can because sometimes you need to replace them
There's a drain plug on the bottom passenger side of the radiator. Unscrew it and the coolant will drain.
Unscrew the drain plug, or pull the bottom radiator hose off
To drain the radiator on a 1999 Ford Expedition, place a bucket under the radiator. Unscrew the radiator drain hose or valve on the bottom of the radiator. Remove the radiator cap.
counterclockwise but you may have to pull it
Turn counterclockwise
To drain your radiator, there is a plastic screw or plug on the bottom rght or driver side unscrew an the water should flow out.
In order to flush the radiator you will need to remove the lower tray to access the hose. Unscrew the drain plug attached to the hose and let the radiator drain.
Unscrew the plastic drain petcock lower drivers' engine side of the radiator and take off the filler cap
Well as with all cars that has radiator's there is a bottom hose and a top hose. So to simply drain a radiator which hasn't a drain bung at the bottom of the radiator, then unscrew the clip that holds on the bottom radiator hose and bob's your uncle...
Lefty loosey, righty tighty.
Counter-clockwise to open
justs unscrew the plastic cap at the bottom of the rad an it will drain out