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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Thoughts on this engine noise.

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Old May 17, 2021 | 09:48 PM
  #1  
Joseph Priori's Avatar
Joseph Priori
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Thoughts on this engine noise.

92 f250 rebuilt 351w was told it has some form of cam. (The exhaust leaks are horrible I know lol) this noise starter tonite, to me it doesn’t sound internal…. Thoughts? New alternator but that’s what it sounds like to me…..
video under link goes to g drive.
https://drive.google.com/file/d/1SSo...w?usp=drivesdk
 
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Old May 18, 2021 | 10:42 AM
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I agree with you, doesn't sound internal. Maybe bad bearings on one of the pulleys? Or maybe fan shroud?
 
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Old May 18, 2021 | 10:55 AM
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Pull the belt, and fire it up, that will tell you if it's an external noise.
 
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Old May 18, 2021 | 05:17 PM
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Well I pulled the belt and same noise so I did some more digging and it turns out the egr tube nut was completely loose rattling away so tightened it and it’s gone thanks for the input!
 
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