Conventional green coolant lasts two to three years or 30,000 to 50,000 miles. Extended-life orange and red coolants last five years or 100,000 to 150,000 miles under normal operating conditions. The ...

A technician with Polaris Labs pulls a sample of extended life coolant for testing. ELC should be monitored as closely as conventional coolants since some mechanical malfunctions in equipment can ...

Do the liquid and solid additives last the same amount of time? Depending on the total capacity of the cooling system, when the proper amount of supplemental coolant additives (SCA) is added, yes.