Why is the engine noise of Haval H6 very loud?

3 Answers
DeMaci
07/28/25 1:41pm
Haval H6 engine noise is very loud for the following reasons and solutions: Poor fuel quality: When the car uses poor-quality fuel, the combustion condition inside the engine deteriorates, causing the engine to vibrate and produce noise. Replacing it with high-quality fuel can solve this problem. Loose engine mounting: Since the engine inside the engine compartment relies on components such as engine mounts for support and fixation, if these parts become aged or loose, the engine will shift during operation, resulting in noise. To fix this issue, simply tighten the engine mounting. Plastic component movement: Another possibility is the movement of plastic components in the engine compartment, such as the engine cover or intake pipe. Once these plastic parts become loose, they may collide with the engine compartment, thereby generating noise.
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DelJessica
08/11/25 6:18pm
I've been driving my Haval H6 for several years and often encounter loud engine noise, mostly caused by insufficient or aged engine oil leading to poor lubrication, resulting in noisy component friction. It could also be loose or worn belts, squealing annoyingly at high speeds. Exhaust system leaks or spark plug carbon buildup add to the trouble, making acceleration particularly noisy. I remember one time my car had a spark plug issue, and the noise was so loud it gave me a headache. I recommend checking the oil level and quality immediately—if it's black, replace it without waiting for the noise to worsen. Regular maintenance is crucial: change the oil and clean the air filter every 5,000 kilometers to prevent minor issues from becoming major ones. The engine is the heart; if it breaks down, repairs are expensive and troublesome. Don't hesitate to spend money—find a reliable repair shop and get it checked ASAP.
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DiSerenity
09/29/25 2:18am
I enjoy fixing my own car. If the Haval H6 engine is noisy, you can try checking it yourself. First, pull out the dipstick to see if the oil level is low—top it up if it is, and change the oil if it's dirty. Then, listen to the belt; if it's loose, adjusting the tension can make it much quieter. Check the engine bay for any loose parts, like a vibrating fan cover. A leaking exhaust pipe joint can cause a whistling sound—lightly touch to find the leak. Excessive spark plug carbon buildup also creates noise; cleaning the carbon can help. These simple steps save money and hassle, but if the noise persists, it's best to consult a professional mechanic to test the circuit with a multimeter. Loud noises could indicate hidden issues, so address them early to avoid bigger problems. Regular maintenance with high-quality oil keeps the ride quiet and comfortable.
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