Manual pump cooling system pressure tester can diagnose ... the color coded radiator test caps aid with identifying which cap is needed for each application, so it’s easy for you to choose ...

Often overlooked cause: The radiator cap is not maintaining proper pressure. If the pressure relief spring in the cap becomes weak from age or exposure to extreme heat, or if the cap’s sealing ...

and pressure will force the eggs into the holes, fixing the leaks long enough to take your car to a garage for repairs. Allow the radiator to cool. Test the temperature of the radiator by carefully ...

Leaves or dust stuck in your radiator also prevent air from passing over the cooling fins, thus trapping heat. A defective radiator cap that cannot hold pressure can also cause overheating. Replacing ...

This alone doesn't mean you have a blown hose, however. It could be a faulty thermostat that caused the radiator cap to release. If the cap has a pressure-release flap that's released, your engine may ...