9/1/2023 0 Comments Mixing pink and green coolant![]() ![]() The most important rule to remember is that adding (mixing) antifreeze, not only of the same class, but also produced by the same manufacturer (trade mark) is permitted. And secondly, not all anti-freeze packaging indicates that it supports a certain specification The difficulty here is, first of all, to find those requirements directly. ![]() Compatibility of antifreeze between each otherĬan you mix new antifreeze with your old, which is poured into the cooling system is easiest to navigate by the specification Volkswagen.However, technically more competent to use and mix those antifreezes that meet the tolerances of the manufacturer of your car (not those that were adopted by Volkswagen). It is usually yellow or orange in color (although other options may be available). This alcohol is safer for the environment and humans. However, the most modern and advanced today are antifreezes based on propylene glycol. As for the color, they are usually red, purple or lilac. They meet the specifications of VW TL 774-G / G12++. In addition, the life of these antifreezes is up to 10 years (which often means the entire life of the car). They are the most advanced and have the best performance characteristics. They contain organic corrosion inhibitors in combination with silicon compounds. Lobrid (international designation - Lobrid - Low hybrid or SOAT - Silicon enhanced Organic Acid Technology).Also for BMW cars, the GS 94000 specification applies. In particular, the BMW N600 69.0 specification is much the same as G11. Although considered worse than carboxylate antifreezes, many manufacturers use them (for example, BMW and Chrysler). The international designation is HOAT (Hybrid Organic Acid Technology) or Hybrid. As for color, there is a wide range of options, from yellow or orange to blue and green. Their name is explained by the fact that such antifreezes include both salts of carboxylic acids and inorganic salts - usually silicates, nitrites or phosphates. Also all seals and hoses in the system must be changed. If you plan to switch to carboxylate antifreeze from an old one (G11), you must necessarily perform the procedure of flushing the cooling system with water first and then with the new antifreeze concentrate. ![]() The peculiarity of carboxylate antifreezes is the fact that they are used in new cars, which are originally designed only for this type of coolant. The service life of such coolants is 3.5 years. International designation is OAT (Organic Acid Technology). As a rule, they are marked with a bright red dye, less often - lilac-purple (specification VW TL 774-F / G12+, used by this company since 2003). In the specifications of Volkswagen designated VW TL 774-D (G12, G12+).
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