How do you change bottom radiator hose on 1987 Toyota 1 Ton pickup?

To change the bottom radiator hose on a 1987 Toyota 1 Ton pickup, first ensure the engine is cool and then drain the coolant from the radiator by opening the drain valve. Loosen the hose clamps at both ends of the bottom radiator hose and remove the old hose. Install the new hose by securing it with the clamps, then refill the radiator with coolant and check for leaks. Finally, run the engine to ensure proper circulation and check the hose connections again.