If you should discover that your coolant is mixing with your engine oil, you have a major problem. While your motor oil and coolant are both essential to the proper operation of your vehicle's engine, ...

Coolant is an essential liquid for internal combustion engines, but it doesn't last forever. Here's how long an open bottle will remain fresh.

As engines get very hot, coolant helps distribute heat to help prevent overheating and engine damage. It also adds antifreeze protection and acts as a lubricant for some of the engine’s components. If ...

Something I've realized over the past few years poking with a large variety of cars: Nobody has low coolant or low oil sensors! I drove an '88 Mazda RX-7 with both, and they were quite valuable! The ...

If you've ever been topping off your car's coolant and accidentally poured the brightly colored liquid all over the engine, you understand that it can be both frustrating and concerning. Coolant is ...