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  #13  
Old 08-14-2012, 04:07 PM
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Re: 4.7 loud engine noise



That's as loud as mine gets and that was it's first start today and hadn't been run since yesterday around noon. Does yours sound like that at all?
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  #14  
Old 08-14-2012, 09:57 PM
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Re: 4.7 loud engine noise

yes that is exactly what mine sounds like exactly
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Old 08-14-2012, 10:09 PM
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Re: 4.7 loud engine noise

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Originally Posted by inferno red wk View Post
it cant be normal. i just does not sound it. i am determind to find out what it is.
It is normal, I always figured it was the 4x4 system that was making the noise. because it goes away after driving a minute or so. And doesnt do it every time so I thought it was a 4x4 just cycling on for a bit to get everything flowing.

Just my two logical cents... not necessarily right though lol
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Old 08-14-2012, 10:30 PM
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Re: 4.7 loud engine noise

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Originally Posted by inferno red wk View Post
yes that is exactly what mine sounds like exactly
It's normal at least to me, my dealer and others here. My engine has suffered no ill consequences as a result of the noise and is currently at 44k. I changed the plugs at 32k and they looked fine and my oil maintains a constant, proper level. As far as I'm concerned its just the nature of the 4.7 to make this noise on cold startups or maybe it's because I know the powertrain is covered by warranty if anything does happen.
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  #17  
Old 08-16-2012, 09:00 PM
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Re: 4.7 loud engine noise

I get this too in the am, 2006 4.7 Laredo
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Old 08-17-2012, 07:13 AM
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Re: 4.7 loud engine noise

our XK with the 4.7 does it also .
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Old 08-18-2012, 02:21 PM
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Re: 4.7 loud engine noise

im going off a hunch that my exhaust manifold bolts may be ****ed cause this is the second motor in my jeep the first did not have this sound
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