These colors added by the manufacturer are more-or-less markers to tell you first and foremost, what is in your system currently, and second, an easy identifier to tell you what the right coolant is, and that you are adding the right stuff to the system. These coolants, either Subaru Blue, Toyota Red, or VW / Audi G12, which is Purple, are the reasons why sticking with the factory-spec’d coolant intended for the vehicle is highly recommended over going with an “all makes” coolant – it is far superior. Other manufacturers began tweaking and making OAT coolant better through technology – providing coolant that was either safer for the environment, had even better anti-corrosion capability, or even had change intervals as long as 10 years. OAT antifreeze began in the American market with GM’s introduction to Dexcool Orange in 1994. OAT antifreeze has a replacement interval of 150,000 miles or generally 5-7 years, and depending on the make, is either silicate free, phosphate free, or both. It breaks down so bad, that it can even begin to conduct electricity through electrolysis and begin eating your system from the inside! Because of this, European and Japanese manufacturers began working on OAT, or Organic Acid Technology Antifreeze. The life of IAT antifreeze breaks down heavily around 36,000 miles in the system, causing massive corrosive issues once the coolant begins to break down. Phosphates on the other hand, over time, dried and corroded anything rubber – like water pump seals. For example, silicates caused massive amounts of scale in the system when in contact with aluminum, further causing cooling issues. This was especially important when the primary item that coolant was protecting from was rust in cast iron in engine blocks, heads, and other engine components in the cooling system made from iron.ĭuring the 1980’s – as more and more vehicles began to use aluminum parts and rubber seals in the system, more problems began to occur. It was fortified with silicates and phosphates, which were used primarily to keep corrosion down within the system. Traditional antifreeze (the old green stuff) is known as IAT antifreeze, which refers to Inorganic Acid Technology. Please note that the tool that you receive after placing an online order may be in a used but operable condition due to the nature of the Loan-A-Tool® program.The first thing to understand is the different basis for certain types of antifreeze. Do not wear ties or loose clothing when working on your vehicle.įREE Loan-A-Tool® program requires returnable deposit. Should electrolyte get on your body or clothing, neutralize it immediately with a solution of baking soda and water. Always wear gloves and safety glasses and other personal protection equipment, and work in a well-ventilated area. Sulfuric acid is caustic and can burn clothing and skin or cause blindness. Use caution when working with automotive batteries. Always disconnect the negative battery cable before servicing an electrical application on the vehicle to protect its electrical circuits in the event that a wire is accidentally pierced or grounded. Always chock your wheels prior to lifting a vehicle. Refer to the service manual for specific diagnostic, repair and tool information for your particular vehicle. Information is accurate and true to the best of AutoZone’s knowledge, however, there may be omissions, errors or mistakes.īe sure to consult your owner’s manual, a repair guide, an AutoZoner at a store near you, or a licensed, professional mechanic for vehicle-specific repair information. Find an AutoZone Near YouĪdvice, how-to guides, and car care information featured on and AutoZone Advice & How-To’s are presented as helpful resources for general maintenance and automotive repairs from a general perspective only and should be used at your own risk. Take extra care with regard to open containers or spills around dogs, cats or other household pets. Antifreeze is toxic for pretty much all living things, but pets are particularly attracted to the smell and taste of antifreeze. Throw away the collected material and wash the area with soap and water before drying thoroughly. Next, wipe up after letting it absorb or rest. Carefully and safely absorb the material with kitty litter or sand, and cover with paper towels. Antifreeze should be cleaned immediately if spilled. How Do I Clean Up Antifreeze?īe conscientious of spills in your garage or work area. Take note of the makeup of your antifreeze when inquiring about local disposal methods. ![]() ![]() The content of your antifreeze, whether it is new or used or mixed with another fluid, is important. Contact local recycling centers or service stations for more information on local disposal. Make sure the antifreeze is in a safe, closable container to prevent spills.
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