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  1. Coolant - Wikipedia

    A coolant is a substance, typically liquid, that is used to reduce or regulate the temperature of a system. An ideal coolant has high thermal capacity , low viscosity , is low-cost, non-toxic , …

  2. Antifreeze vs Coolant: What's the Difference? - AutoZone

    Coolant, on the other hand, is a mixture of antifreeze and water in the right proportions, ready to be poured directly into your vehicle’s cooling system. In essence, coolant is antifreeze with …

  3. Antifreeze / Coolant - Vehicle Specific - O'Reilly Auto Parts

    What is Coolant or Antifreeze? Your engine coolant, also called antifreeze, helps your vehicle maintain an appropriate operating temperature by absorbing heat from your engine.

  4. Understanding the Different Types (and Colors) of Coolant

    Sep 29, 2023 · With so many colors and types of coolant filling auto store aisles, choosing the right one for your vehicle can seem overwhelming. But each variety serves a purpose for …

  5. What Is Coolant and Is It the Same as Antifreeze? - Cars.com

    Dec 19, 2024 · Though coolant and antifreeze are often used interchangeably, they aren’t the same. Here are the differences car owners should be aware of.

  6. Coolant Maintenance: Why It’s Vital for Your Engine’s Health

    Apr 1, 2025 · Coolant is as vital as oil for your car, preventing overheating and freezing. Learn about coolant types, when to change them, and how to avoid costly mistakes.

  7. Coolant Type - Find the Right Coolant Type for Your Car

    Coolant (or antifreeze) is used in the engine to stop the water used to transfer heat to the radiator freezing due to low temperatures. Coolant also works in the opposite direction, by preventing …

  8. What is Coolant, and Why is it So Important? - Coolant University

    What is Coolant, and What is Coolant Used For? Coolant is a functional fluid that is essential for most engines to operate without overheating. Its primary purpose is to transfer heat inside an …

  9. How to check your engine coolant and top it up - The AA

    On this page, we’ll explain how you can check your engine coolant, how to know what type of coolant your car needs, why cars sometimes overheat and what you should do about it, as …

  10. What is Coolant? Engine Coolants and Their Importance

    Nov 12, 2024 · Coolant is a liquid mixture composed primarily of water and antifreeze agents, designed to absorb and dissipate heat from the engine. It flows through the engine block, …

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