How do you change freeze plug in 93 Chevy van g10?

To change a freeze plug in a 1993 Chevy G10 van, first, drain the coolant from the radiator to prevent spills. Remove any components obstructing access to the freeze plug, then use a punch or chisel to carefully drive the old plug out. Clean the area, apply a sealant if necessary, and tap the new freeze plug in place, ensuring it sits flush. Finally, refill the cooling system with coolant and check for leaks.