1. Check whether the motor is working abnormally or the fan blades are not working, and replace them if they fail
2. Check to make sure it's in place or lock it if it's loose.
Maintenance method of air conditioning compressor ringing
1. Check whether the tensioner bearing parts are in good condition, and replace them if they are abnormal
2. Evacuation failed, evacuate again
Maintenance method of air conditioning compressor ringing
1. System clogging should be cleared to ensure that the system high and low pressure lines are unobstructed
2. Top-up refrigerant
3. Reduce the amount of overfilled refrigerant, according to the requirements of the vehicle.
