During summer months, especially during warmer periods, it's important to know how and why you should be using coolant to cool your car.
Coolant is crucial for your vehicle to function correctly, particularly when it is hot. The job of coolant/antifreeze is straightforward; it helps prevent overheating in your car by absorbing and dispersing the heat produced by the engine. By doing so, it is protecting the engine’s components from damage by overheating as well as improving overall performance and increasing the longevity of the vehicle. That’s why it is essential to understand how to use coolant and maintain adequate coolant levels, especially during hotter days.
How to check your coolant levels
Many modern cars will have a dashboard warning light with an engine coolant symbol to let you know if there are any issues with your coolant. If that light ever comes on, you should book yourself into a garage as soon as you can.
If you are just looking to check your coolant levels or top it up, follow these instructions:
1. Make sure that the engine is cool
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Before you check anything, it is important to make sure the engine is off and cooled before opening the coolant cap.
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To be extra safe, you should wait 30 minutes after turning the engine off before you remove the cap. Find the expansion tank
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Make sure that you have located the correct tank, check your vehicle’s handbook to find the location of the coolant filler cap.
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Adding antifreeze to the screen wash, brake fluid or power steering reservoirs could cause severe damage.
2. Check the engine’s coolant levels
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On the side of the expansion tank, you should be able to see minimum and maximum markets. Your coolant level should be between these lines.
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If the coolant level is low, you should top this up, otherwise you could experience issues as mentioned above.
3. Topping up
IMPORTANT: Only do this when the engine is cold.
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If you need to top up, do not remove the filler cap unless the engine is cold; if you do not take appropriate caution, you may be scalded by a sudden release of pressurised hot liquid.
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Make sure you are using the correct antifreeze, as some different types do not mix well. If you are unsure, make sure to check your vehicle’s handbook. If you are unsure about this, always consult a professional.
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Carefully follow the instructions on your chosen coolant, as these can vary:
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Concentrated coolant needs to be mixed in a separate container with a 50/50 ratio using distilled water (avoid tap water, as minerals can cause internal damage).
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If you are using pre-mixed coolant, use as directed.
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For ease of use, place a funnel into the reservoir opening and pour your coolant slowly until it reaches, but does not go beyond, the maximum line.
4. Secure the cap
- The final step is to remove your funnel and replace the cap, taking care to screw it on tightly. Be sure to wipe any spilled coolant immediately, as it is toxic.
