AlumAseal is the original powder solution for stopping radiator and cooling system leaks. Simply pour in AlumAseal powder and wait for the patented formula to find and seal most cooling system leaks. AlumAseal powder is safe with all types of antifreeze, prevents rust and helps lubricate the water pump.
No, but there are products available just for that purpose, called Block Leak Sealers.
Absolutely not. ALUMASEAL® brand is completely safe for all radiators, heater cores, and cooling system parts.
One tube or bottle of ALUMASEAL® brand will treat up to 20 quarts [5 gallons/ 18.9 L].
You should notice the leak slowing within a few minutes after adding the product, but certainly within 200 miles of driving or less, as it takes a while to thoroughly circulate through the cooling system and stop the leak.
Yes. ALUMASEAL® brand is effective in all extended life coolants. Dex-Cool® is a licensed trademark of General Motors Corp.
This is not necessary. However, it’s always a good idea to replace coolant every 2 years unless you use an extended life coolant.
No, absolutely not.
