5.4L Possible Service

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Jan 9, 2006 | 08:55 PM

Joe_Black

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Joined: Nov 2005

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5.4L Possible Service

Fellas,

I have a 99 5.4l Super Duty with 125k on the clock. I have noticed that is has unique kind of valve notice to the truck under acceleration. It is not a pinning or a knocking noise it almost sounds like a diesel but not very throaty or deep tuned. It kinda sounds like a churrning noise?? It runs great, but i was wondering what you all thought..... Do any of you 5.4l owners experience the same sounds?

Please let me know... Thanks

Last edited by Joe_Black; Jan 9, 2006 at 09:10 PM.

Jan 9, 2006 | 10:45 PM

LxMan1

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Joined: Dec 2001

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From: Louisville,Ky.

The superduty exhaust configuration makes them sound that way. Our F250 5.4L @ work has sounded like that since new. The F150's don't have that raspy sound.