How Often Should the Coolant Be Replaced in the Elantra?

1 Answers
McAndrew
07/29/25 3:45pm
Modern Elantra's coolant replacement cycle is every 60,000 kilometers, with a replacement capacity of 4L. Modern Elantra coolant replacement tutorial: 1. First, the vehicle must be parked for a period of time before the replacement operation can be performed to prevent burns from the coolant. Locate and loosen the coolant drain valve at the bottom of the radiator to allow the old coolant to completely drain out. 2. Put the vehicle in neutral and run it while continuously adding clean water to the coolant reservoir to flush out any residual coolant in the cooling system until the discharged water runs clear, indicating that the old coolant has been mostly removed. 3. When water stops flowing out, install the drain screw and turn off the vehicle's engine. Then, fill the reservoir with coolant to between the MIN and MAX marks. If slightly overfilled, it will not cause any adverse effects. 4. Start the engine again, and at idle speed, the air in the cooling system pipes will be expelled, causing the coolant level to drop slightly. 5. Once the level stabilizes, add more coolant to between the two marks, completing the coolant replacement process.
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