Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
Hello, and welcome to justanswer.
The drain plug on your blazer is on the lower, drivers side of the radiator. It is down and to the right of the lower radiator hose if you are standing if front of the vehicle facing it. It will not twist all the way out, just about 1/2 to 3/4 turn.