It sounds to me like the belt is slipping. How old is the belt? I’d install a new belt, regardless of how the old one looks.
Once they start slipping they become glazed and the slipping will only become more frequent.
It sounds to me like the belt is slipping. How old is the belt? I’d install a new belt, regardless of how the old one looks.
Once they start slipping they become glazed and the slipping will only become more frequent.