How to Bleed Air from the Emgrand EC7 Radiator?

[DelAlaina]

Emgrand EC7 radiator air bleeding method is as follows: 1. Open the radiator cap and fill it with water; 2. Start the vehicle, turn on the heater, and let the engine idle. Add water if the radiator level drops; 3. Once the engine coolant undergoes a major circulation and the electric fan starts running, close the radiator cap. The car radiator, also known as a heat exchanger, is a key component in the vehicle's cooling system. Its function is to dissipate heat. The coolant absorbs heat in the water jacket, flows to the radiator to release heat, and then returns to the water jacket for circulation, achieving temperature regulation. The Emgrand EC7 is a globally quality sedan developed by Geely Group and the first model under the Emgrand brand. The vehicle features four-wheel disc brakes, front-wheel drive, a trunk capacity of 680 liters, and a fuel tank capacity of 50 liters.

[VonJayden]

I've handled the air bleeding procedure for the Geely Emgrand EC7's cooling system multiple times. First, ensure the engine is completely cool - ideally left overnight - safety comes first. Open the hood and locate the expansion tank, then gently unscrew its cap. Start the engine and let it idle while you carefully observe the coolant flow. You'll notice bubbles gurgling out from the tank opening, indicating air is being purged. Wait patiently for about ten minutes until the coolant temperature reaches around 90°C and the radiator fan kicks in - by then most bubbles should disappear. Remember to top up with OEM coolant between the MAX and MIN marks as the level drops, but never fill it completely. Keep a close eye on the temperature gauge throughout the process - shut off the engine immediately if anything seems abnormal. Before final tightening, check all hoses for potential leaks. For best results, take a short test drive afterward and recheck the coolant level. Air pockets in the cooling system can easily cause engine overheating, so never take this procedure lightly.

[OSimon]

My car is the EC7, and last time after replacing the coolant, I did the bleeding myself. With the engine cold, I opened the hood and located the white plastic expansion tank. Before opening the cap, I placed a cloth underneath to prevent splashing. After starting the engine, I squatted at the front of the car and kept an eye on it, maintaining the engine speed at around 1000 RPM. After about five minutes, bubbles started appearing, like the small bubbles in soda. When the temperature gauge needle reached the middle position and the fan whirred to life twice, the bubbles disappeared. At this point, the coolant level had dropped by about half a finger's width, so I quickly topped it up with the new coolant I bought, filling it to the midline. Important reminder: Never touch the radiator right after turning off the engine—the coolant can reach over 100 degrees Celsius! After finishing, I took a highway drive to test the results, and the temperature stayed perfectly stable. Doing this kind of job yourself is quite rewarding.

[LeRicardo]

Cooling system air bleeding follows a specific circulation pattern. Begin with a cold engine operation, locating the expansion tank position. After starting the engine, coolant begins circulating, allowing air bubbles to naturally rise and escape. The critical indicator is observing the radiator fan activating twice, signaling completion of the thermal cycle. At this point when air is fully purged and coolant level drops, immediate replenishment is necessary. The entire process requires continuous coolant top-up to prevent dry running, while maintaining ventilation to avoid antifreeze vapor accumulation. Finally, reinstall the pressure cap to complete successful air bleeding. Regular hose inspections can prevent airlock issues.

[CarterAnn]

Here's a practical trick: Letting the car cool down is key. The next morning, don't start the engine immediately. First, open the cap of the plastic reservoir under the hood. Then, get into the driver's seat and start the engine. Step out and observe bubbles forming in the reservoir, resembling boiling water bubbles. Wait for about ten minutes until the bubbles gradually decrease, and the temperature gauge reaches the middle position. Quickly top up with red-green coolant (must be the type recommended in the manual). Add the coolant in small amounts over several times to avoid overflow. Finally, tighten the cap securely! Two important notes: Avoid touching metal parts when the engine is hot to prevent burns, and only fill the coolant to the middle of the marked level—overfilling can cause issues.

[StJulianna]

The exhaust process for the Emgrand EC7 is actually not difficult, but there are a few common mistakes to avoid. First, ensure safety by performing the operation on a cold engine. After loosening the expansion tank cap, let the engine idle. Don't rush to add water—wait for the system to naturally exhaust air. Focus on three key points: 1) whether bubbles continuously emerge, 2) whether the coolant temperature rises evenly to around 90°C, and 3) whether the fan starts and stops stably. A common mistake beginners make is ending the exhaust process before the fan activates, which can leave air pockets trapped. Additionally, always use the same type of coolant for refilling, as mixing different types can cause scaling. After completion, test the system by driving normally for five minutes—if the temperature gauge remains stable, the process was successful. Regular radiator cleaning (about once every two years) also helps prevent clogs.