How do you change the freeze plug on a 1991 chevy cavalier?

To change the freeze plug on a 1991 Chevy Cavalier, first, drain the coolant from the cooling system. Remove any components obstructing access to the freeze plug, then use a punch or chisel to carefully tap around the edges of the old freeze plug to loosen it before pulling it out. Clean the area and then install the new freeze plug by pressing it into place, ensuring it's seated evenly. Finally, reassemble any removed components, refill the coolant, and check for leaks.