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broke an ARP head stud, pics... now what?

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Old May 29, 2006 | 07:39 PM
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Nitrous fed SS's Avatar
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Default broke an ARP head stud, pics... now what?

I had just finished up doing a valve spring and head gasket swap, when i was torqueing down the driver side head to 65ft-lbs i forgot to reset the torque wrench to 22ft-lbs for the top row . it was on #11 stud nut, the first one on the top row that broke off.
My question is what do i do now? how do you pull out a broken head stud?
Attached Thumbnails broke an ARP head stud, pics... now what?-broken-head-stud-002.jpg   broke an ARP head stud, pics... now what?-broken-head-stud-003.jpg   broke an ARP head stud, pics... now what?-broken-head-stud-004.jpg  

Last edited by Nitrous fed SS; May 29, 2006 at 07:51 PM.
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Old May 29, 2006 | 07:41 PM
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Your lucky it looks like it broke flush. Pull the head and you should be able to grab it with a pair of vise grips.
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Old May 29, 2006 | 09:06 PM
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you need to start by pulling the cylinder head
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Old May 29, 2006 | 09:52 PM
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pull head, and grab them with the vise grips youll get it out pretty easy, I had to use the old vise grips on a few of my head studs it works great, dont sweat it
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Old May 29, 2006 | 10:50 PM
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before you use visegrips get a stud puller it'll cause less damage. I know you are not trying to save the bolt but sometimes they get stuck and you want to keep as much material as possible in case you have trouble. You don't want to have to bust out the drill do you? If you are lucky you'll just be able to get them out by hand.
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Old May 29, 2006 | 11:08 PM
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Thanks for the help, it came easy with the visegrips. I wouldve used a stud puller if it was any harder. Thats the last time i dont check what i torque it down to.
Attached Thumbnails broke an ARP head stud, pics... now what?-broken-head-stud-2-001.jpg   broke an ARP head stud, pics... now what?-broken-head-stud-2-002.jpg  
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Old May 29, 2006 | 11:32 PM
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Good job, glad to see things worked out.
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Old May 30, 2006 | 06:58 AM
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yeah,
looks like a pretty straight forward extraction
just call ARP and get another one, looks like the best possible outcome to a bad situation
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