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Why do engine coolants have to be changed regularly?

April 26, 2017changed coolants engine regularly

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Why do engine coolants have to be changed regularly?

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Engine coolants have to be changed regularly every 2 – 4 years depending on the type of vehicle and the type of coolant. The reason for this is that the high temperatures in the engine cause the corrosion inhibitors contained in the coolant to gradually decompose.