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post #1 of 4 Old 02-21-2009, 10:53 AM Thread Starter
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Unhappy New Noise

Hey Gang:

I am running a '03 with a 7.3. A knocking sound just started on the front left side when facing the engine. I took the belt off to make sure that it was not a bad bearing. I do have power and haven't seen smoke. When I get the RPMs above 1300, the noise goes away.

Any Clues?
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post #2 of 4 Old 02-21-2009, 10:55 AM
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Welcome to the org. can you post a video of the sound

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Stock 2005 F-350 4x4
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post #3 of 4 Old 02-21-2009, 11:33 AM Thread Starter
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I will post the shound shorty

Get this, I go out to start it, and no noise. I rev up the engine and it starts.

UGH
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post #4 of 4 Old 02-21-2009, 11:50 AM Thread Starter
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Truck Sound

Here is a wav file - I had to zip the file - any thoughts?? I am hoping after reading it is an injector vs a rod - the sound is like metal grinding on metal when it occurs - similar to the sound of an AC clutch going out! HELP
Attached Files
File Type: zip truck.zip (41.4 KB, 15 views)

Last edited by c5dad; 02-21-2009 at 03:30 PM.
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