Because it is worn, it comes loose. Normally, the belt has not exceeded its slip coefficient, so it does not slip in rainy days, because the belt has been soaked in water, the friction coefficient cannot support it. , and it slips. The sound is loud. It's here. No need to change it first. The belt has an adjustment wheel. Loosen it and tighten it a little. The finger can press a little on it. If it is out of range, adjust it again.
Why does the car alternator belt slip?
Introduction Why does the car generator belt slip? Because it is worn and loose. Normally, it has not exceeded its slip coefficient, so on rainy days, the belt is soaked in water.