batata Posted November 2, 2008 Share Posted November 2, 2008 Hi, I have a problem with my alternator the shaft became thinner at the back and don't fit in the bearing. I replaced the alternator and after 3 weeks the same problem any Ideas Thank you Quote Link to comment Share on other sites More sharing options...
Richard Mills Posted November 3, 2008 Share Posted November 3, 2008 Beware of over tightening the alternator belt. Too tight either causes front bearing failure (loads of noise) or the sleeve bearing at the back to go oval or the shaft to be ground away. Too loose only makes the belt squeal under load, reminding you to turn something off. When the play in the alternator gets too much the parts will touch, and the iron filings will collapse the magnetic field, and no more output! Quote Link to comment Share on other sites More sharing options...
batata Posted November 4, 2008 Author Share Posted November 4, 2008 Beware of over tightening the alternator belt. Too tight either causes front bearing failure (loads of noise) or the sleeve bearing at the back to go oval or the shaft to be ground away. Too loose only makes the belt squeal under load, reminding you to turn something off.When the play in the alternator gets too much the parts will touch, and the iron filings will collapse the magnetic field, and no more output! I have a serpentine belt and has this automatic tightning roller is this the problem do I need to change this one? Quote Link to comment Share on other sites More sharing options...
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