How To Maintain Your Vehicle’s Cooling System

Unless you change your car as often as your socks, almost every car owner has to tend to their car’s cooling system at some point. The age-old saying ‘prevention is always better than a cure’ can certainly be applied to most of the internal mechanisms of a car. Simply put, it is better to maintain and look after your car’s cooling system then failing to do so and having to fork out hundreds on what would probably be a preventable mechanic’s bill. 

Whilst it might sound and appear to be a complex system that should be left to the capable hands of a mechanic, maintaining this vital motoring ‘organ’ needn’t be as complicated as you may think.
Take a look at the following ways of how to maintain your car’s cooling system
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What are the internal components of a vehicle’s cooling system?
A cooling system has several basic components, which include: A fan, an overflow tank, a series of belts, water, coolant, an overflow tank, a sensor – sometimes two -, a radiator, a thermostat, and a series of hoses and clamps that connect the system all together. 

How does a cooling system work?
A car’s cooling system essentially works by directing fluid past the hottest parts of an engine, which are typically the valves and the cylinder head. The fluid is then redirected to the radiator where the heat gets dispersed into cooler air. 

Keep coolant topped up
It goes without saying that a car becoming overheated can lead to a series of problems, including pipes and hoses becoming split and leaking. To help maintain your car’s cooling system, and engine in general, it is important that you keep your levels of coolant topped up.

Similarly to how everyone should know how to repair a puncture on a bike or be able to change a light bulb, it should be collective knowledge that the fluid in your car’s cooling system should be made of 50% water and 50% coolant. 

You can tell the difference between the coolant and water as the coolant is a green liquid meaning that the coolant portion of the section should consist of a green fluid. 

Never add coolant to warm liquid
It is extremely important that you remember not to add any fluid – water or coolant – when the system is still warm. Let your car cool down, preferably overnight, and add the fluid in the morning to avoid scalding the contents and putting the system under pressure. 

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Danny Harris
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Motoring expert Danny Harris wrote this article on behalf of

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