Grinding Sound??
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Senior User
Joined: Jan 2002
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From: Albuquerque United States
Grinding Sound??
I have a 2004 6.0L (Build date 11/04) Everytime I turn off my truck after trips that are longer than 10 miles I hear a grinding noise that sounds like it it coming from the bottom of my truck. At first I thought it was the turbo spooling down but I now think that it is coming from somewhere on the under carriage. I took my truck in for its first oil change and the service manager said that he did not hear anything after I turned off the truck. A couple of days when my wife and I got home from running errands she said that she heard it also. Its very wierd, it only happens as soon as I turn off the truck and it only happens for a couple of seconds. Has any body heard or experienced this? If so, let me know. Thansks. 
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Yes, I have noticed it also. I picked up my F-250 Crew Cab 6.0 last week and noticed the sound right off. It lasts for about 5-10 seconds after shutting the truck off. It seems to be coming from the "middle" of the truck. Sort of a spinning sound that slows and stops. My buddy thinks it is the turbo (heard through the exhaust), but that was based on a phone call and not actually hearing the sound. My initial thought was that it was coming from the gas tank, maybe a fuel pump, but I couldn't see how that pump could spin that long after powere was shut off.
Have you figured it out yet?
Have you figured it out yet?
Posting Guru
Joined: Jan 2004
Posts: 1,539
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From: Snohomish, Washington
Originally Posted by Blubeast01
I have a 2004 6.0L (Build date 11/04) Everytime I turn off my truck after trips that are longer than 10 miles I hear a grinding noise that sounds like it it coming from the bottom of my truck. At first I thought it was the turbo spooling down but I now think that it is coming from somewhere on the under carriage. I took my truck in for its first oil change and the service manager said that he did not hear anything after I turned off the truck. A couple of days when my wife and I got home from running errands she said that she heard it also. Its very wierd, it only happens as soon as I turn off the truck and it only happens for a couple of seconds. Has any body heard or experienced this? If so, let me know. Thansks.
Post Fiend
Joined: Apr 2004
Posts: 19,098
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From: Great State of Texas
11/04? Time projection...cool. Wish I could...stock market...2:00 A.M. when the bar closes...Buuuraaaa.
This will sound nuts, but in a couple of other vehicles I have had sound was emitting from the fuel tank (pressure relief) and/or the fuel pump. Check fuel fill cap also.
Hey, weirdererer (or more weird for the gramaticly inclined) things have happened.
This will sound nuts, but in a couple of other vehicles I have had sound was emitting from the fuel tank (pressure relief) and/or the fuel pump. Check fuel fill cap also.
Hey, weirdererer (or more weird for the gramaticly inclined) things have happened.
FTE Leadership Emeritus
Joined: Jan 2003
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From: 3rd Rock
Originally Posted by iceb52!
Yes, I have noticed it also. I picked up my F-250 Crew Cab 6.0 last week and noticed the sound right off. It lasts for about 5-10 seconds after shutting the truck off. It seems to be coming from the "middle" of the truck. Sort of a spinning sound that slows and stops. My buddy thinks it is the turbo (heard through the exhaust), but that was based on a phone call and not actually hearing the sound. My initial thought was that it was coming from the gas tank, maybe a fuel pump, but I couldn't see how that pump could spin that long after powere was shut off.
Have you figured it out yet?
Have you figured it out yet?
Then enjoy.............the time waiting for you answer, surfing FTE
Former Vendor
Joined: Mar 2004
Posts: 4,362
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From: Hendersonville, NC
My vote goes to the AC too.... it does make a strange noise when you turn it off. To find out, you can leave the truck running at idle and kill the ac. I believe it will make the same noise.
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Freshman User
Joined: Jun 2004
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The AC does not seem to be the problem (not really a problem, just a sound). It is defintely something rotating because you can hear it slowing down and eventually stopping. My best guess is it is coming from the fuel tank. By the time I can walk around to the passenger side and listen, the sound has stopped. I cannot feel any associated vibration on the tank. Is there anything else in the "middle" of the truck that would be rotating after shutting off the engine and ignition? I can see nothing in the drive line? It does it everytime the engine is shutoff. Sometimes I let it idle for a minute or so prior to shutdown and other times I shut it off right after stopping.
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Postmaster
Joined: Aug 2003
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From: Central Texas
I have an 03 and I listened for what you guys describe. Other than the turbo winding down and the boost escaping and other assorted noises related to a cooling engine, I don't hear what I would describe as grinding. Of course, my wife says I am deaf as a post. I don't seem to hear everything she says.
FTE Leadership Emeritus
Joined: Jan 2003
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From: 3rd Rock
Originally Posted by SBV45
I have an 03 and I listened for what you guys describe. Other than the turbo winding down and the boost escaping and other assorted noises related to a cooling engine, I don't hear what I would describe as grinding. Of course, my wife says I am deaf as a post. I don't seem to hear everything she says.
Postmaster
Joined: Aug 2003
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From: Central Texas
Originally Posted by Tim Lamkin
Not really it is diagnosed in most males as selective hearing, but we cannot tell them.
I hope she doesn't read this.
Posting Guru
Joined: Jan 2004
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From: Snohomish, Washington
I read in Maxim a few years ago that many times women use 5 words comparitively to a man using 1 word to say the same thing in a conversation. And because of this men tend to tune out the non-essential words sometime missing the entire dialogue.
Post Fiend
Joined: Apr 2004
Posts: 19,098
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From: Great State of Texas
A dialouge implies that there is a conversation. 2-way comunication. Both parties speak.
No dialouge at my house. I no speak. My wife refuses to believe that "Huh?" is an integral part "our" conversation.
I don't get it. Give 'em a rib...and they want the house, the car, the dog ...
No dialouge at my house. I no speak. My wife refuses to believe that "Huh?" is an integral part "our" conversation.
I don't get it. Give 'em a rib...and they want the house, the car, the dog ...