What Causes Low Coolant Level?

1 Answers
EmilyFitz
09/02/25 2:21am
The reduction is due to natural evaporation, with normal consumption being about half a liter per year. Rapid consumption may be caused by leaks or poor circulation, with leaks accounting for about 80% of cases. Coolant Replacement Method: Before completely replacing the coolant, conduct a thorough inspection to check for any signs of leakage or cracks in the pipes. Pay special attention to the five-way hose, which gets its name from having five connections to different parts. The coolant flows through the five-way hose and is then distributed to various parts of the car to function. If there is any sign of coolant leakage in this area, replace the hose or resecure the connections as needed. Drain the old coolant, then flush the fluid channels with clean water. Add water to the coolant reservoir and continue filling it so that water continuously flows through the engine cooling system. Then, start the engine and let it idle for 3 to 5 minutes to circulate the water. The water initially flowing out of the reservoir will be slightly pinkish—keep adding clean water until the outflow is clear. Remember to remove the heater hose and drain the water from the heater core. About an hour after draining, add the new coolant through the radiator hose to allow it to flow quickly into the radiator. 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 fluid level will drop slightly. Top up the coolant to the "MAXT" mark on the reservoir.
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