Drain coolant Mazda 626?
To drain the coolant on a Mazda 626, locate the drain plug on the bottom of the radiator. Remove the plug and drain the coolant into a pan.
Almost all Mazda's have a drain plug in the bottom of the radiator. Easy to see if you just look under the car. You do not even need a wrench. It is a low spot and almost all the fluid will drain if you just open the radiator cap. Almost all moder car will need to be "toped off" a couple of times when you refill the radiator.