Will the lack of coolant affect the engine in a car?

1 Answers
IsabelDella
07/29/25 7:10pm
Yes, the lack of coolant will affect the engine in a car. Coolant is a special additive-containing liquid primarily used in liquid-cooled engine cooling systems. It offers excellent performance in preventing freezing in winter, boiling in summer, and inhibiting scale and corrosion throughout the year. How to replace coolant: Before completely replacing the coolant, conduct a thorough inspection to check for any signs of leakage or cracks in the pipes, with a focus on the five-way hose. Coolant flows through the five-way hose and is then distributed to different parts of the car to function. If there is any leakage of coolant in this section, replace the hose or re-secure the connection as needed. Drain the old coolant, then flush the liquid channels with clean water. Add clean water to the coolant reservoir and continuously flush it through the engine cooling system. Start the engine and let it idle for 3 to 5 minutes to circulate the water. Initially, the water draining from the reservoir may have a faint pink color. Continue adding clean water until the drained water runs clear. Remember to disconnect the heater hose and drain the water from the heater core. After draining for about an hour, add new coolant through the radiator hose. Then, add another container of coolant to the reservoir until it is nearly full. Start the engine and let it run for about 10 minutes. As some air is expelled from the cooling system, the coolant level will drop. Add more coolant until it reaches the "MAXT" mark on the reservoir.
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