Review on Bar's Leaks PLT11 Pelletized Heavy Duty Radiator Stop Leak - 11 oz. by David Hayden

I purchased a quality aluminum radiator with a lifetime warranty for my Jeep YJ. The cooler was scrap, was changed 3 times under warranty. The radiator always leaks where the fins meet the body. The company now charges $115 in shipping costs each time you ship a warranty replacement. I had enough and decided to try this product. The granules in this product were larger than expected and difficult to pour into the cooler, had to do it in a few uses to dissolve the product. I took the jeep on the freeway for half an hour and left it overnight and not a single drop of coolant. The product worked great and there was no sign of clogging in the radiator pipes.