This coolant has a service life of 5 years. G13 coolant is a hybrid that is made up of an optimal ratio of silicate and organic components. There are 3 different G12 coolants: G12, G12+ (Red), and G12++ (Purple). G12 coolant has a service life of 4-5 years. It is used in high-performance engines with operating temperatures of 90-110 degrees.
G12 coolant is red or pink and is made up of carboxylate and ethylene glycol. This coolant has a service life of 3 years. G11 coolant is mainly used in vehicles manufactured before 1996, however, some vehicles up to 2016 could use G11 coolant because of its low heat transfer quality. So what are the differences between the three? G11 is blue or green and is made up of a silicate base that contains inorganic additives. There are three different types of antifreeze: G11, G12, and G13.
What is in Engine Coolant?Įngine coolant is made up of propylene glycol, or ethylene glycol, and its own additives. In this post, we’ll be going over what is included in coolant, when coolant should be changed, and what type of coolant should be used in Audi’s and Volkswagen’s. Engine coolant is a fluid that is mixed with water to ensure the radiator doesn’t freeze in extreme cold or overheat in extreme heat. Disclosure: This post may contain affiliate links, meaning when you click the links and make a purchase, we receive a commission.Ĭoolant, also referred to as antifreeze, is fluid that is just as important to a vehicle’s engine as oil, fuel, and brake fluid, etc.
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