Internal combustion engines require many types of fluids to operate smoothly. One of the most essential is coolant. Coolant is that green, yellow, pink, or purple fluid that goes inside the radiator ...

CARS.COM — When is the right time to change your engine coolant? For some vehicles, you’re advised to change the coolant every 30,000 miles. For others, changing it isn’t even on the maintenance ...

The coolant in your car's radiator is not a forever liquid. Consumable fluids like engine oil, automatic transmission, and brake fluid need periodic replacement to keep your vehicle running reliably ...

Not that many years ago, if your vehicle needed coolant for a top up, it was a relatively easy and painless affair. You’d simply drop into your favourite parts store, grab a jug off the shelf, add the ...

Dear Car Fix: Can you tell me if I can use distilled water in my radiator? I want to use the right fluid. -- B.D., Depew Dear B.D.: Whether you've heard it called coolant or antifreeze -- they both ...