Do not remove the cylinder block drain plugs or loosen the radiator draincock with system hot and under pressure. Serious burns from coolant can occur.Radiator draincock is located on the right/lower side of radiator facing to front of vehicle.Remove radiator pressure cap from radiator or coolant recovery container as necessary.Raise and support vehicle.Attach one end of a hose to the draincock. Put the other end into a clean container. Open draincock and drain coolant from radiator.If necessary, siphon coolant from coolant recovery container. (Diesel engine)