i really need help, im a new driver and my 1.1 T reg saxo is squealing i think the altinator is causing it? ive changed it once because it made the squealing noise before, i changed it and it seemed to work for around 2 days and the squealing came back ive tightened everything up and nothing is loose please help me what is the squeeking and squealing coming from my altinator area, its realing frustrating 
please help me many thanks callum 
please help me many thanks callum