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Old 10-13-2011, 10:46 AM   #1
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Default Exhaust flange

I have a 94 and the exhaust flang whrre the pipe bolts to the manifolds is leaking... Just wondering if any1 had this problem and any good ways of removing the old rusty bolts.. Sort of afraid wont get them out if/when they break.. Thanks Ryan B
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Old 10-13-2011, 11:55 AM   #2
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soak them in PB before attempting to remove them? if they break they break and you might have to drill them out.
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Old 10-13-2011, 12:06 PM   #3
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Ok drilling them would be the easiest? I was thinjing air hammer ... But then I thoight of the manifolds... Possibly break nolts there too
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Old 10-13-2011, 12:51 PM   #4
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I drilled mine out then replaced them with longer pieces of allthread and lock washers. The allthread allows you to use the bolts to pull the pipes back up instead of haveing to man handle them into place while you try to tighten everything up with your free hand.
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Old 10-13-2011, 03:56 PM   #5
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Alltread? As in no end really, threaded on both ends? And to pull it tight would you need a nut on the top side too?
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Old 10-13-2011, 04:03 PM   #6
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yea sorry nuts on both sides a flat washer and a lockwasher. to keep it in place once your done. remember to only screw the top bolt down a bit you wana try to keep most of the thread on the bottom flange. I can send you a picture if you need one.
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Old 10-13-2011, 04:13 PM   #7
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I dont think I need a pic.. But can I ask why more on the nottom I see its that way already is there a purpose?
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Old 10-13-2011, 04:17 PM   #8
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some times that Y pipe or H pipe dosnt want to mate back up. With more thread on the bottom allows to manipulate that pipe back into place. useing the nut to move it up on the allthread.
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Old 10-13-2011, 05:18 PM   #9
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Ok thank you I think this weekend im going to give it a go
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Old 10-13-2011, 05:26 PM   #10
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Allthread is not correct. You need exhaust studs because they stop the nut at the right height so the springs can do their job. The springs allow for expansion.
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