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Is Toyota Long Life coolant pre-mixed?

Yes, Toyota Long Life Coolant is a pre-mixed, ready-to-use coolant that does not require any dilution with water before use. It is designed to provide long-lasting protection for Toyota and Lexus vehicles.


What is Toyota Long Life Coolant?


Toyota Long Life Coolant is a proprietary coolant formulation developed by Toyota for use in their vehicles. It is a hybrid organic acid technology (HOAT) coolant that is designed to provide extended service life and protection against corrosion, scaling, and other issues that can affect a vehicle's cooling system.


Is Toyota Long Life Coolant Pre-Mixed?


Yes, Toyota Long Life Coolant is a pre-mixed, ready-to-use coolant that does not require any dilution with water before use. It comes in a concentrated form that is already mixed with the appropriate amount of water, so it can be directly poured into the vehicle's cooling system without the need for additional mixing.


Benefits of Pre-Mixed Coolant



  • Convenience: Pre-mixed coolant eliminates the need to measure and mix the coolant with water, saving time and reducing the risk of errors.

  • Proper Concentration: The pre-mixed formulation ensures the correct coolant-to-water ratio, which is important for optimal performance and protection.

  • Reduced Maintenance: Pre-mixed coolant does not require periodic top-ups or adjustments to the coolant-to-water ratio, simplifying the maintenance process.

  • Consistent Quality: The pre-mixing process ensures a consistent and reliable coolant composition, providing reliable protection for the vehicle's cooling system.


Overall, the pre-mixed nature of Toyota Long Life Coolant makes it a convenient and reliable choice for maintaining the cooling system in Toyota and Lexus vehicles.

Do I need to add water to Toyota Long Life coolant?


A mix of around 50% water & coolant should suffice. Do not use pure coolant as water is a good conductor of heat. Check the condition of the existing coolant. If it is very dirty or the radiator hoses have a crackly feeling when you squash them, you might need to flush you system.



When did Toyota switch to super long life coolant?


In 2004, Toyota transitioned from red Long-Life Coolant (LLC) to the improved pink Super Long-Life Coolant (SLLC). Pink SLLC is pre-mixed with deionized water for convenience and the assurance of a proper mix. As its name implies, SLLC lasts for a very long time.



What color is Toyota long life coolant?


Toyota Pink
Toyota Pink Super Long Life Coolant.
When it comes to the Toyota pink coolant, there are different ingredients such as: Water (7732-18-5) Ethylene Glycol (107-21-1)



Is Toyota Long Life coolant premixed?


Sustained prevention of rust and corrosion
This Genuine TOYOTA Pre-mixed Long-Life Coolant contains highly-heat-resistant, long-life additives that promote powerful resistance to corrosion and rust for all cooling system components.


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.