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Gremlins in the Muffler!

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Old Jul 3, 2005 | 07:38 PM
  #1  
GT350Mike's Avatar
GT350Mike
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Gremlins in the Muffler!

I've heard this sound over the past few days but this afternoon I pinpointed the noise coming from the stock muffler. It sounds like a something is rolling around inside the muffler or a growling sound after I shut the engine off (after I've let it ideal for about 30 seconds). My truck (05 F250 CC 4x4) is only 1 week old and I have 1050 miles on the 6.0 motor. Any ideas?????
 
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Old Jul 4, 2005 | 09:45 AM
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Are you sure it is not the turbo spooling down?

Sometimes what you hear is not where it appears to be.
 
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Old Jul 4, 2005 | 10:24 AM
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It has more of a metallic sound so I'm not sure what it is but the sound is coming from under the truck near (or around) the muffler.
 
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Old Jul 4, 2005 | 11:28 AM
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lay under your truck and have wife/girlfriend shut the truck off, just make sure she is not mad at you though
 
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Old Jul 4, 2005 | 09:31 PM
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I'll do that but I might have to wait a while!
 
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Old Jul 4, 2005 | 09:37 PM
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Catfish Mike
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My 05, f-250 also sounds like sand is in the muffler when you cut it off,it has did it from day ,1. I have 3,400 miles on it and it runs great so far.
 
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Old Jul 5, 2005 | 08:42 AM
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My 05 makes that same sound. I'm pretty sure its the pressure the turbo is still pushing through the exhaust as it spools down.
 
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Old Jul 5, 2005 | 10:45 PM
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GT350Mike
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Originally Posted by Catfish Mike
My 05, f-250 also sounds like sand is in the muffler when you cut it off,it has did it from day ,1. I have 3,400 miles on it and it runs great so far.
I agree that it sound like sand is involved, but to me it sounds more like there is sand inside the turbo!

JK............I guess it will have to grow on me till I get accustomed to it.
 
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