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Exhaust Manifold

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Old Jul 27, 2000 | 09:20 AM
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I been noticeing some noise coming out from my engine bay. When I went to look under the hood I noticed that one of the bolts on the manifold was loose. So I started tightening it. Well it just kept turning and turning an then I noticed that the Bolt was actually coming off the head. My question is how did it come off and How hdo i fix it

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Old Jul 27, 2000 | 09:33 AM
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Exhuast or intake? not that it matters it will be the same fix..

Things to buy:
-new gaskets to whatever it is
-helicoil kit
-little T-bar tool that attaches drill bits so you can turn by hand
($30 for everything)

You have to remove the manifold.. Then what you are doing is rethreading the the head (UNLESS THE BOLT IS JUST BROKEN WHICH THEN YOU WILL HAVE TO DRILL IT OUT)...

After you rethread the head you insert this coil thing into the new threaded hole and the same bolt (I recommend buying a new one for a couple bucks).. and torque to specs.. It is really easy if there is easy access to the bolt.. Lets say enough to stick a drill in the area you are working...

ES...
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Old Jul 27, 2000 | 09:34 AM
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BTW everything is available at Discount Auto Parts... but not sure about Gaskets....

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Old Jul 27, 2000 | 08:29 PM
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u blew ANOTHER exhaust gasket?? damn man that one isnt that old.

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Old Jul 28, 2000 | 05:35 AM
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Mark

No its not the gasket. I found where it was leaking and started to turn the bolt. As I was turning the stud just kept coming. Its sticking out further thanm the rest when I decided to stop and think things through. I think that the stud is comimg off the block

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Old Jul 31, 2000 | 05:23 AM
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Prelude have you gotten a chance to fix it yet? It probably just needs one of the helicoils to get a good grip again.

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Old Jul 31, 2000 | 05:52 AM
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Someone told me that those work sometime and other times it just doesnt help. Going to have them re-tap it with a little bigger stud.

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Old Aug 1, 2000 | 12:59 PM
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Did the stud break off from the head or did it just unscrew itself?

In your first article you said
So I started tightening it. Well it just kept turning and turning an then I noticed that the Bolt was actually coming off the head
My question is if you were tightening it how the hell was it worming its way out? Even if it did bust I dont see how tightening it would make it come out. Are you sure you were turning it the right way?

If it just unscrewed a little loc-tite and a new stud would be all you need. It might also be a good idea to get a thread tap of the right size (size of the bolt) and clean any debris out of the hole.

If it broke off then you would need a bit extractor that you can buy at places like Ace Hardware (good store for parts by the way) and what ES said a helicoil kit. Still though you stated at in your post that it was coming loose when you tightened it so you probably dont need a bit extractor. Care to better explain just what is wrong with the stud? Youve got me all sorts of confused.
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Old Aug 2, 2000 | 08:53 AM
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sorry for all the confusion. Let me clarify. The stud that sticks out from the block came off. Seems like im gonna have retap a new stud.
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Old Aug 2, 2000 | 09:04 AM
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The helicoil kit comes with the bit to retap...You can either use the bigger bolt or use the same one with an insert... ES..
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