2013 Toyota Camry - Antifreeze

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Antifreeze and Coolant


Antifreeze, also called coolant, is a temperature-stabilizing fluid that helps prevent your engine from overheating and protects the cooling system from corrosion. During winter weather and below-freezing temperatures, coolant is designed to prevent freezing by lowering the coolant and water mixture's freeze point. This reduces the risk of engine damage including a cracked engine block, heads, or cooling system components. It also prevents the water in your engine from evaporating at operating temperature by increasing its boiling point. Since normal engine operation causes heat to build up quickly, coolant levels should be maintained to keep your car running smoothly and to limit the risk of overheating. Since antifreeze is toxic, it requires care when handling and needs to be recycled at a facility that specializes in hazardous waste. Keep antifreeze out of the reach of children and pets, and clean up any accidental spills quickly to limit the risk of exposure which could cause illness.

Coolant Color and Type for Your Vehicle

The type and color of the antifreeze formula you need will depend on your vehicle. Your owner's manual can help you determine which type is best for your vehicle. Mixing antifreeze colors can cause the differing formulas to react with one another, which may hinder coolant flow or performance and damage your engine. If you aren't sure which type of coolant was last used, you should flush your cooling system before adding the appropriate type and volume of antifreeze.

Cooling System Maintenance: Checking and Filling Coolant Levels

When preparing for seasonal temperature changes, especially before winter, it's a good idea to check your system's coolant levels and the condition or dilution of the coolant mixture. You can do this using a simple bubble gauge or antifreeze tester that can indicate the freeze point and protection level of the coolant currently in your vehicle. For best performance, antifreeze levels should be checked frequently and coolant condition assessed at least once a year to determine if the system should be flushed and refilled. When changing your antifreeze, drain the old coolant and flush the system first. Full-strength and pre-diluted coolant mixtures are available, so ensure you account for the type of coolant you are using when refilling your cooling system. For more information about changing your antifreeze and flushing your cooling system, check out the helpful video resources in our How-To Hub.