3.0L & 4.0L
WARNING: This page is about a different car, the 2002 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
Release pressure in cooling system by slowly turning pressure relief cap 1/2 to one turn counterclockwise to first stop on filler neck. When pressure has been released, remove pressure relief cap. Raise and support vehicle. Remove lower radiator splash shield. Place a suitable container below radiator draincock. Drain engine coolant. Close radiator draincock when finished.