The air conditioning compressor is driven by a belt. Check the tension on the belt. If there is more than 1/2 inch of play in the belt, tighten it.
Cooling fan bearing?
lack of oil
super charging could be done to a car
It could be the bearing in your tension pulley.
The squealing noise from your car's AC when you turn it on could be due to a worn-out or loose drive belt, which may need to be replaced or adjusted by a mechanic.
could be the throw out bearing
Babies squeal for various reasons, such as excitement, communication, or discomfort. It could be a way for them to express their emotions or needs. Common causes of squealing in babies include hunger, tiredness, overstimulation, or simply wanting attention. If the squealing persists or is accompanied by other concerning symptoms, it is best to consult a pediatrician for further evaluation.
loose or glazed fan belt.
It Could Be Your Serpentine Belt too tight or not tight enough.
Yes.Equally likely is if the belt is much more than 3-4 years, the material is glazing over or hardening, which is another common cause of squealing.
Your air conditioner may be making a loud squealing noise because the AC compressor, which helps cool the air, could be malfunctioning. This could be causing the noise you are hearing.
it could be a serpentine belt or accessory belt.