It's the beginning of fall, and time to consider your coolant.
This is a good time to think about your engine cooling system. Regular inspections and pressure tests of your cooling system are of utmost importance, as is good maintenance by following the vehicle manufacturer’s recommended coolant change intervals.
As time passes, the protective anti-corrosive additives in the antifreeze break down and lose their effectiveness. But antifreeze has two other very important jobs as well:
• It is used to decrease the temperature at which the coolant freezes.