My belts are really making some noise

Tiny
CTWADSWORTH
  • MEMBER
  • 1992 FORD F-150
  • 15,000 MILES
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
Wednesday, January 4th, 2012 AT 2:23 AM

2 Replies

Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
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.
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Wednesday, January 4th, 2012 AT 2:38 AM
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
What motor is it? Some ford cam sensors can be screechy too!
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Wednesday, January 4th, 2012 AT 2:38 AM

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