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How do you fill up engine coolant?

Maintaining the proper level of engine coolant is crucial for keeping your vehicle's cooling system functioning properly and preventing overheating. Here's a step-by-step guide on how to fill up your engine coolant.


Identifying the Coolant Reservoir


The first step is to locate the coolant reservoir, which is typically a translucent plastic tank located near the engine. This reservoir holds the coolant that circulates through the engine to keep it cool.


Checking the Coolant Level


With the engine cool, open the coolant reservoir cap and visually inspect the level of the coolant. The coolant should be between the "MIN" and "MAX" markings on the reservoir. If the level is low, you'll need to add more coolant.


Selecting the Correct Coolant


Before adding coolant, make sure to use the type recommended by your vehicle's manufacturer. This information can be found in your owner's manual or on a label inside the engine bay. Using the wrong type of coolant can damage your engine's cooling system.


Adding the Coolant



  • Slowly pour the coolant into the reservoir, being careful not to overfill it.

  • Fill the reservoir up to the "MAX" line, but do not exceed it.

  • Replace the reservoir cap and make sure it is securely tightened.


After adding the coolant, start the engine and let it run for a few minutes to circulate the new coolant through the system. Check the level again and top it off if necessary.


Disposing of Old Coolant


If you need to completely drain and refill the cooling system, be sure to dispose of the old coolant properly. Many auto parts stores and recycling centers accept used coolant for proper disposal or recycling.


Regularly checking and maintaining your vehicle's coolant level is an important part of keeping your engine running smoothly and preventing costly repairs down the road.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.