My belts are really making some noise

1992 FORD F-150
15,000 MILES
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CTWADSWORTH
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There is a loud screeching sound from the engine compartment when I turn the engine on. It is a 1992 ford supercab truck. I am told that it might be the fan belt or alternator. please help
Jan 3, 2012 at 6:23 PM
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FIXITMR
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could be belt or alternator bearing or other bearing on pulleys? does it go away after few seconds/minutes? you can use tube to ear to focus on sound.
Jan 3, 2012 at 6:38 PM
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FIXITMR
  • ✓ASE Certified Mechanic
  • 9,990 POSTS
  • ASE Certified Mechanic
what motor is it? some ford cam sensors can be screechy too!
Jan 3, 2012 at 6:38 PM
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