How do you drain the radiator of a 1995 Chevrolet Astro Van?

To drain the radiator of a 1995 Chevrolet Astro Van, first ensure the engine is cool to avoid burns. Locate the radiator drain plug at the bottom of the radiator and place a container underneath to catch the coolant. Open the drain plug, allowing the coolant to flow out completely. Once drained, close the plug and refill the radiator with the appropriate coolant mixture.