Question: My question is about radiator overflow tanks. I’ve always had cars and trucks that had an overflow tank that you would keep full to the cold or hot mark. Checking over my daughter’s car, she ...

It all started so innocently: You're puttering around the garage on a crisp fall morning — checking for harmful low tire pressure and things like that — when you notice that your car's coolant tank is ...

Firstly, check that it's the coolant overflow bottle you're referring to and not the windscreen washer bottle; it sounds basic, but they can look similar from above. If there is a milky looking fluid ...

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 ...