Caps on motor oil bottles, pop bottles and beer bottles keep the liquid in. But a radiator cap is not any ordinary cap. Though it seals the cooling system from the outside, the radiator cap is ...

Author's note: In the Jan. '09 issue of HPP, the technical article "Keep a Cool Head" described installing Evans NPG coolant in a Pontiac engine, along with other modifications. Due to the varied ...

Indirect engine cooling system doesn’t allow air to directly contact with the surface of engine. It indirectly cools down the engine and its components with the help of a coolant circulating in ...

How hot does your engine run? Is it on the cool side? The hot side? Where should it be? How big of a radiator should you run? Antifreeze or water? Tap or distilled? Do you need a pressurized cooling ...

Paul, thank you for sharing information on car maintenance in your weekly column. I am based in Jinja and drive a Toyota Corsa. Of late, the radiator cap leaks coolant when the engine is running. My ...