How to Replace Coolant in a Car?

1 Answers
McGrant
07/30/25 12:09am
Car coolant replacement method is: 1. Open the car hood after the engine has cooled down; 2. Open the coolant reservoir cap; 3. Lift the vehicle and open the radiator drain plug, drain the old coolant and reinstall the drain plug; 4. Lower the vehicle and pour new coolant into the reservoir. Coolant, fully known as antifreeze coolant, is a special additive-containing liquid primarily used in liquid-cooled engine cooling systems. Coolant contains: calcium chloride, methanol, ethanol, ethylene glycol, glycerin, etc. The functions of coolant are: 1. Anti-corrosion; 2. High boiling point; 3. Prevents scale buildup; 4. Antifreeze.
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