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11-22-2011, 05:04 AM
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Hummer Guru
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Join Date: Oct 2005
Location: Charlotte, NC
Posts: 2,767
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Re: Exhaust Gasket leak and stud broke
Quote:
Originally Posted by cashville
Did you use anything else besides the vise grips to remove the broken bolts?
The only thing I used was some WD40 like on 3 different days, about a week ago, I put some of it on the broken stud in order to try and have it loosen a bit...
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I actually used a stud remover (looks like a socket with teeth on the inside that tighten up on the stud as you turn it counterclockwise)
If you remove the manifold (you don?t always have to) it makes it easier.
If I remember correctly, they sell updated bolts/studs.
Mark
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11-22-2011, 08:11 AM
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Hummer Veteran
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Join Date: Nov 2011
Posts: 101
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Re: Exhaust Gasket leak and stud broke
I checked it out, and it looks like a great tool to easily remove broken studs.
If I can't take it out tomorrow with a bigger vise grips, I'll have to order one of those...
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11-22-2011, 12:07 PM
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Hummer Guru
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Join Date: Oct 2005
Location: Charlotte, NC
Posts: 2,767
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Re: Exhaust Gasket leak and stud broke
Quote:
Originally Posted by cashville
I checked it out, and it looks like a great tool to easily remove broken studs.
If I can't take it out tomorrow with a bigger vise grips, I'll have to order one of those...
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One suggestion... if the stud is iffy right now, don?t put a bigger set of vise grips on it.
I say that because typically if you can?t get a good hold on it, you?ll end up smoothing off the threads and then make it harder to use the stud remover.
One more trick...
If there is enough stud sticking out (which apparently there is cause you?re getting a pair of vise grips on it) get a nut that will slide over the end of the broken stud. Get someone to weld the inside of the nut to the stud and then just use a socket to get the stud out.
Just a few suggestions...
Mark
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11-22-2011, 10:25 PM
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Hummer Veteran
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Join Date: Nov 2011
Posts: 101
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Re: Exhaust Gasket leak and stud broke
I've tried the bigger vise grips, but it didn't move...
I will have to try the stud remover. the thred is a little smooth now because I tried yesterday a lot of times, do you think the stud remover will work anyways?
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11-22-2011, 11:16 PM
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Hummer Veteran
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Join Date: Nov 2011
Posts: 101
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Re: Exhaust Gasket leak and stud broke
I'm just going to have someone weld a nut to the bolt tomorrow... I think it will be easier that way.
tomorrow I'll post news, I hope I finally solve this problem, it's driving me mad 
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11-23-2011, 01:47 AM
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Hummer Guru
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Join Date: Oct 2005
Location: Charlotte, NC
Posts: 2,767
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Re: Exhaust Gasket leak and stud broke
Quote:
Originally Posted by cashville
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No, the one I use is like this...
Much slimmer, easier on...
Mark
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11-23-2011, 10:51 PM
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Hummer Veteran
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Join Date: Nov 2011
Posts: 101
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Re: Exhaust Gasket leak and stud broke
Ok, I was able to take the broken bolt out with a pair of vise grips.
After that I put the new studs, and I re-used the same gasket because the only ones I could find for sale that would ship to my country were Felpro, and I heard a lot of mixed feedback, so I just re-used the gaskets.
I tightened all the bolts a first pass to 11lbs, and a second to 18lbs, like in the manual.
I noticed that where the broken bolt was, with the new bolt tightened to 18lbs, the header was still not even making contact with the manifold, so I had to tighten it really hard to get it to make contact. (It probably stayed a lot of time with the bolt broken, so it got bent out of shape)
Then, I connected the spark plug wires, and turned on the engine, but the noise is still there, A LOT more quieter now, but it's still leaking air, I can hear it.
Now, I don't know what I should do, if I should tighten all the bolts a little bit more, especially the one where the broken one was, or maybe it can be a leak from the gasket, although I don't think so.
What do you think, should I tighten the bolts a little bit more tomorrow?
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11-25-2011, 08:09 AM
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Hummer Authority
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Join Date: Apr 2003
Location: Las Vegas
Posts: 1,819
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Re: Exhaust Gasket leak and stud broke
Quote:
Originally Posted by OrangeCrush
No, the one I use is like this...
Much slimmer, easier on...
Mark
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How does one aquire 1 of these Stud removers?
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