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Quick exhaust question

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Old Aug 20, 2013 | 04:28 PM
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Quick exhaust question

Real quick, silly question...

What's the name of the part that seals the manifold to the upper section of pipe?
Trying to order a new one, searched flange, donut, gasket, and keep getting different parts that don't look right.

Somebody let me know, thanks!
 
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Old Aug 20, 2013 | 05:33 PM
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Are you talking about the (exhaust flange gasket) where the exhaust pipe bolts the the exhaust manifold?
 
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Old Aug 20, 2013 | 05:41 PM
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I'm thinking so.. There is a connection there with something inside of it (like a gasket). The exhaust pipe is just sitting in the connection on the pass. side, so I can literally just pull it out of there. What do I have going on, you reckon?
 
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Old Aug 20, 2013 | 06:32 PM
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The exhaust manifold has a flange the exhaust pipe has a flange, not sure about if it has 2 or 3 studs on the 97 truck. in between the 2 flanges is a gasket. with out seeing a pic of what you're talking about, if you can pull the exhaust pipe out of the flanges then I'd say you'll need to drop the pipe. if the bottom half of the flange is still on the manifold then you'll need to remove the flange and go get it re-welded to the exhaust pipe or just get a new pipe with flange attached. If this is not the case and you just have a gap between the 2 flanges you need to remove the nuts off the stud, (hopefully without snapping them), place a new gasket in between the flanges and re-tighten the nuts evenly around until everything is nice and tight. I know there's a torque spec but I don't have it.
 
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Old Aug 20, 2013 | 06:53 PM
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Flange Photo by nkgates | Photobucket

The dark spot in/by the flange is the inside of the manifold
 
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Old Aug 20, 2013 | 08:13 PM
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Originally Posted by nix4x4
Flange Photo by nkgates | Photobucket

The dark spot in/by the flange is the inside of the manifold
Yep...you lost the weld ...looks like it really didn't have one. Someone at the factory probably tac welded it and forgot to finish the job. So what you should do is # 1 drop the pipe and the flange to get welded. # 2 get a new exhaust pipe. # 3 what I would do...take it to a muffler shop and have them mig weld it. Probably $50 and your hands don't get dirty.
 
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Old Aug 20, 2013 | 08:40 PM
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Originally Posted by Mike1
take it to a muffler shop and have them mig weld it. Probably $50 and your hands don't get dirty.
Sounds like a plan. Thanks for hangin with me. God bless!
 
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