Does the Geely Boyue Need to Bleed Air When Replacing Coolant?
2 Answers
Bleeding air is necessary when replacing car coolant. The method involves using the small coolant reservoir where there is a thin tube. After the vehicle's operating temperature reaches 90 degrees, turn off the engine. Wait for the vehicle to cool down, then open the reservoir cap to release excess air and top up the coolant. Coolant replacement method: Before a complete coolant replacement, conduct a thorough inspection to check for any leaks or cracks in the pipes, with a focus on the five-way hose. The five-way hose gets its name from having five connections to different parts. Coolant flows through the five-way hose and is distributed to various parts of the car to function. If there are signs of coolant leakage in this area, replace the hose or resecure the connections as needed. Drain the old coolant, then flush the channels with clean water. Add water to the coolant reservoir and continuously flush 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 tint. Continue adding clean water until it runs clear. Remember to remove the heater hose and drain the water from the heater core. After draining for about an hour, add new coolant through the radiator hose to allow it to flow quickly into the radiator. Then, fill the coolant reservoir with another bottle of coolant until it is nearly full. Start the engine and let it run for about 10 minutes. As the cooling system expels some air, the coolant level will drop. Top up the coolant to the "MAXT" mark on the reservoir.
Of course you need to bleed the air! Changing the coolant for the Boyue isn't as simple as just pouring it in. If there's air trapped in the cooling system, the engine will put on a high-temperature show in no time. I learned this the hard way when I did it myself - initially skipped the bleeding step and watched the temperature gauge skyrocket. Later, the repair manual taught me to start the engine and let it idle for 20 minutes with the heater on full blast, allowing the radiator fan to kick in automatically. This process squeezes out air bubbles from the pipes. You've got to keep an eye on the expansion tank level during this - top it up when low until no more bubbles appear. Now I've wised up - every two years when changing coolant, bleeding is a mandatory step. It beats paying tow truck fees that cost more than the coolant when your car overheats halfway.
