AlumAseal ASBPI12 Radiator Stop Leak Powder Blister Card - 20 g: Quick Fix for Radiator Leaks! Review

My radiator has started leaking from tiny cracks where the core meets the tank and it's not even a year old! I decided to give this stuff a try before replacing the radiator for the second time this year. My expectations were pretty low, but within 3 days the leak stopped completely! It's been running for about a month now; I will update this review if/when it starts leaking again.

After using this product for decades it works like a magic seal for leaking radiators, timing cases and heater cores. If the leak is bad enough you'll still need to replace the seals/hoses wherever they are, but otherwise it could save your life. I still have a 90's Ford on the original radiator thanks to Alumaseal.

Couldn't drive more than 15 minutes without adding water to the radiator. After using this product the leakage stopped completely but not completely. A small amount of water spilled the next day. Leakage was reduced significantly, but not 100%. Since I was near Walmart, I decided to stop by and purchase a similar item. After half of that bottle was added, the leakage stopped completely. My father in law recommended this product to me but only said after I ordered one that I might need two…