Friday, 12 February 2016
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4x4WireWhat is the function of a radiator?

When a car is driven, the engine generates enough heat to destroy itself. Because of this, your car is equipped with a cooling system to protect against damage and keep the engine within the correct operating temperature range.

The radiator, an integral part of the cooling system, is designed to protect an engine from the destructive forces of too much heat. The radiator's function is to lower the temperature of hot coolant coming from the engine by cooling air that passes through the radiator. A radiator is constructed with two key components: a core made up of small flat tubes, and overflow tanks which are either on the top and bottom of the core or on either side.

What is the function of a radiator?

Why do you need to know what a radiator is?

How do I make sure I'm keeping on top of my radiator maintenance?

How do four wheel drive conditions affect engine cooling?

Important things to remember

Replacing your existing radiator with an upgrade will not necessarily make your engine run cooler, but it will prevent the engine from overheating better than the stock radiator. Most modern engines run best at a fairly high temperature. When the engine is cold, components wear out faster, the engine is less efficient, and the vehicle emits more pollution. So another job of the cooling system is to allow the engine to heat properly and quickly, and then to maintain the engine at a consistent temperature

Also, installation of an upgrade radiator is not the only step in ensuring that your engine is running at proper temperature. Upon replacing or upgrading your radiator you should also have the engine flushed, check the thermostat for proper opening and closing, conduct a visual inspection of all cooling system components including all belts and hoses, and test the engine fan for proper operation.

Read more Frequently Asked Cooling Questions

John Stewart Managing Editor - 4x4Voice - 4x4Wire - Natural Resources Consultant - California Four Wheel Drive Association - Board of Directors - BlueRibbon Coalition

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