AWFUL engine squeal/screech

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Dudz40vt

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Hey yall

I have a '90 351 bronco and was driving it around all day today and everything was fine. About an hour ago though I started it up and it made the most awful squealing noise coming from the engine I had to turn it off. I tried it a couple more times and the same thing happend again. I opened the hood to see if I could spot anything but nothing really jumped out at me. I looked at the belt suspecting that could be it but it seemed fine. There aren't any cracks or anything in it and the tension is good as far as I could tell. So I sat there for a few more minutes debating what to do and decided to start it one last time. This time it made the noise for about 1 second and then completely dissapeared and sounds/runs fine now.

Any clue on what that noise could've been??

thanks for any help!

 

Justshootme84

Rest in Peace Friend! Never forgotten..
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CHeck the tensioner/ idler pulley, a well as the other pulleys on your accessories like the alternator, ps pump, and AC.

 

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