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Exhaust leak

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Old Sep 26, 2011 | 09:53 PM
  #1  
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teamlx88
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Exhaust leak

I have an exhaust leak that I cant seem to find. Im pretty sure its up around my drivers side manifold. With the tire off and my head in the fenderwell I can hear the leak clearly. Using welding gloves I put my hand on each exhaust port but the noise didnt change and its not leaking at the cat pipe joint either. Looking at the manifold there are no black marks, flame licks or any signs of a leak. All the manifold studs are there as well. The truck is quiet at idle and light cruise and only makes the noise when revved hard or under a heavy load. I dont want to go through the hassle of swapping out the manifold if I dont have to.

Any ideas?
 
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Old Sep 26, 2011 | 10:15 PM
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Mine does the same thing it's definitely the header gasket leaking on mine...
 
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Old Sep 27, 2011 | 12:23 AM
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How's your EGR tube, any rust?
 
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Old Sep 27, 2011 | 09:06 PM
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The base of the EGR is rusted but its not leaking (yet).
 
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Old Jul 24, 2019 | 09:42 PM
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Any answer to where the leak ended up being? I'm trying to find one that has the same symptoms.
 
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Old Jul 25, 2019 | 08:38 PM
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When your up front looking for the leak, have someone hold a rag tightly over the tailpipe outlet while it’s idleing.
 
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Old Jul 29, 2019 | 09:53 PM
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Found mine. Back manifold studs on pass side. Is this a fun job?
 
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Old Jul 31, 2019 | 09:04 AM
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Originally Posted by Carloni
Found mine. Back manifold studs on pass side. Is this a fun job?
It's not too bad as long as you remove the tire and the plastic wheel well liner. Once you do that the studs are practically staring at you.
 
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