AlumAseal Radiator Stop Leak & Conditioner is a radiator/cooling system stop leak with a water pump conditioner. AlumAseal Liquid Radiator Stop Leak is compatible with all kinds of antifreeze and coolants. It is also compatible with all metal, plastic and rubber cooling system parts.
Cooling system leaks are usually caused by small holes in the radiator, which are caused by corrosion.
Absolutely not. ALUMASEAL® brand is completely safe for all radiators, heater cores, and cooling system parts.
No, but there are products available just for that purpose, called Block Leak Sealers.
ALUMASEAL® brand has an indefinite shelf life, provided the package has not been opened.
One tube or bottle of ALUMASEAL® brand will treat up to 20 quarts [5 gallons/ 18.9 L].
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.
