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The liquid within a vehicle's cooling system should be a 50/50 mixture of coolant and water. This mixture is designed to prevent overheating and corrosion.


Water can be used in place of engine coolant, but it is not recommended. Radiator coolant is designed to keep the radiator contents from freezing and the engine block from cracking. It is also raises the boiling point of water to help keep the engine from running too ho...


Flushing engine coolant involves draining the old coolant into a container, adding water to the cooling system, and repeating the draining process. The final step involves filling the system with the new coolant.


The engine coolant sensor monitors the operating temperature of the engine on an automobile and sends information to the onboard computer. The computer makes adjustments that ensure the vehicle reaches and maintains the ideal operating temperature, according to Auto Par...


It is recommended that engine coolant be changed seasonally. In order to work properly, an engine's cooling system and radiator need to be clean. After time, deposits build up and can clog the radiator. Changing engine coolant seasonally helps keep the cooling system cl...


Blown head gaskets and broken hoses can cause engine coolant leaks. A cracked engine head or block can also cause the leaks.


Replace the plastic coolant tank on a car by waiting until it is cool and releasing the pressure slowly if it is pressurized. Disconnect any hoses leading to the radiator and remove the old unit. Attach the new unit to the mounting bracket and clamp the hoses in place. ...