Why Does the Coolant in the Car Decrease?
1 Answers
The main reason for the decrease is natural evaporation, with normal consumption typically being 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, with a particular focus on the five-way water pipe. The five-way pipe is named for its five connection interfaces to various parts, and the coolant is distributed to different sections of the car after flowing through it. If there is any coolant leakage in this part, the hose should be replaced or the connection re-secured as needed. Drain the old coolant, then flush the fluid channels with clean water. Add water to the coolant reservoir and continue filling until water flows continuously through the engine cooling system. Start the engine and let it idle for 3 to 5 minutes to circulate the water. The initial outflow from the reservoir will be slightly pinkish; continue adding water until the outflow is clear. Note: Remember to disconnect 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, pour another bottle of coolant into the reservoir until it is nearly full. Start the engine and let it run for about 10 minutes. As the cooling system expels some air, the fluid level will drop slightly. Top up the coolant to the "MAXT" mark on the reservoir.
