How Long Can the Original Coolant Last?
1 Answers
Vehicle coolant generally needs to be replaced every 2 years or 40,000 kilometers, which is just a reference interval. For commercial vehicles with higher mileage, the replacement cycle should be shorter. Coolant Replacement Method: Before a complete coolant replacement, conduct a thorough inspection to check for any signs of leakage or cracks in the pipes, with a focus on the five-way hose. The five-way hose is named for its five connection points to different parts of the vehicle. Coolant flows through the five-way hose and is distributed to various sections of the car to function. If there is any coolant leakage in this area, replace the hose or reseal the connections as needed. Drain the old coolant, then flush the channels with clean water. Add clean 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 may appear slightly pinkish. Continue adding clean water until the outflow runs clear. Remember to disconnect the heater hose and drain the water from the heater core. About an hour after draining, add new coolant through the radiator hose to allow it to flow quickly into the radiator. Then, fill the coolant reservoir with another container of coolant until it is nearly full. Run the engine for about 10 minutes; as some air is expelled from the cooling system, the coolant level will drop. Top it off again until it reaches the "MAXT" mark on the reservoir.
