JAC Ruifeng commercial vehicle is too noisy

Introduction The JAC Ruifeng commercial vehicle is too noisy. Regarding your problem, you said that the noise is louder than before. Since I didn't hear where the sound is coming from as you said, there is a possibility of noise.

JAC Ruifeng commercial vehicle is too noisy

Regarding the problem you mentioned, the noise is louder than before. Since I didn't hear the location of the sound you mentioned, there are many possibilities for the noise, I suggest you check if the sync system is enabled. Generator belt assembly is loose. Second, check whether the carbon deposit in the motor is large, causing the pole to break. Check if the motor dog rubber is damaged, causing increased vibration. Check for dirty transmission oil and significant valve clearance. Secondly, the engine clearance increases in winter, resulting in a gap between the parts during operation, resulting in abnormal noise and cylinder knocking. It is recommended to try replacing the engine oil with a higher quality oil. It is recommended to go to the 4S store for an on-site check. IBitauto

1. The generator is broken (this rarely happens, please replace the generator or repair the generator).

2. The generator regulator is broken (Ruifeng is prone to this common problem, so replace the regulator).

3. The power generation output terminal has poor contact (very rare, clean the dirt and tighten the terminals).

4. The battery does not store electricity (It may happen that after the generator regulator fails, the generated voltage is high and the battery is burned out. Inspection method: 1) Check if the battery water is cloudy. If it is cloudy, it means it is burnt. Be sure to repair the generator and replace the regulator. Otherwise, the new battery will burn out. 2) Use a meter to measure the power generation voltage. If the idle speed is less than 13.8 V and the full throttle speed is more than 14.8 V, there is a problem with the governor.)

5. The belt is loose and the power generation is not enough (this is easy to happen, especially for Ruifeng diesel, just loosen the tight belt. If it is a diesel engine, carefully check whether the connection hole between the generator and the engine is worn, and if it is loose, repair it in time.)

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