Why is the sound loud when turning on the air conditioning in Haval H6?

2 Answers
VanAriel
09/04/25 4:02am
Haval H6's loud air conditioning noise issues are: the air filter is too dirty, the baffle in the air duct is in a semi-closed state, or there's an engine problem. Air filter too dirty: First, check if the air conditioning filter is too dirty. If it is, replacing the air filter should solve the problem. Baffle in the air duct is in a semi-closed state: Another possibility is that the baffle in the air duct cannot return to its proper position, resulting in a semi-closed state. This prevents air from flowing in properly, leading to increased wind noise. Try switching the air outlet positions several times, especially to the front windshield setting. If the issue persists, a disassembly inspection may be necessary. Engine problem: Engine issues, especially with smaller horsepower and displacement, can cause noticeable power loss when the air conditioning is on, which is produced by the air conditioning operation.
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CharlieMarie
09/16/25 5:11am
I've been repairing cars for over a decade, and loud AC noise in Haval H6 is quite common. The most frequent cause is an aging cooling fan or debris like dust and leaves stuck between the blades, creating a whooshing sound when the fan spins. If the compressor is worn, it'll produce a screeching noise upon startup – this requires professional tools to diagnose. Loose belts often cause squeaky noises, which can be improved by slightly tightening the screws. A clogged cabin air filter forces the fan to work harder, increasing noise levels, so replacing it is a simple and effective solution. After parking, feel the fan area – noticeable heat or vibration indicates fan issues. Regular maintenance is crucial; cleaning the fan and replacing the filter every six months can prevent this problem. Loud noises distract drivers and compromise safety, so don't ignore it – get it checked at an authorized shop. Refrigerant leaks also make the compressor overwork and noisy. Fixing minor issues early saves money and ensures peace of mind.
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