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  #1  
Old 02-06-2006, 11:37 PM
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How to extract stripped Allen bolt?

How does one extract a stripped torque converter (Allen) bolt? I turned the inside part where the hex wrench is supposed to grip. Now what do I do?

Thanks for all replies!

Randy
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  #2  
Old 02-06-2006, 11:52 PM
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Try locking pliers.
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Old 02-06-2006, 11:57 PM
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put the allen wrench into the stripped bolt, and put some sideways pressure on it... If its not stripped too bad, it will grab on whatevers left.

Whats the condition of the hole?


Other options are: moving to a SAE size thats bigger then the metric you stripped it with, and putting it into the freezer to make is contract. Then force it in.
You cold JB weld the wrench into it, letting it sit 24 hours, and try again

drill with lefthanded bit
eazy out


the condition of the hole is the bigger consern, whats it like?
~Nate
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Old 02-06-2006, 11:59 PM
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I've had good luck hammering an XZN socket of the same size into the stripped Allen bolt, then turning it out--it's never failed me yet.

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Old 02-07-2006, 12:04 AM
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The rear rotors on my bimmer are held on with a small 5mm allen head bolt and of course they both stripped smooth on the first turn. I got the Craftsman Easy-Out and that worked. I think the trick with those is to use a 120v drill, the plug-in kind, not the portable variety. It wouldn't come out with a portable drill but the extra torque from the plug in drill took the bolt right out.
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Old 02-07-2006, 12:12 AM
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This may seem like a smart-a** answer, but try to avoid it happening in the first place. First, apply liquid wrench (and wait 30+ minutes) to things you know are going to be bad (external exposure) and where practical (subframe mounts, etc). Second, use brake cleaner or a similar hose nozzle cleaner to entirely remove all grime from the inside of the bolt head first, so that you can get all the way down and maximize the surface area of tool to bolt.

AFTER a problem develops, I've used TORX tools with some success.
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Old 02-07-2006, 12:35 AM
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Do what H2O2 said. It works.
BTW: H2O2, your Ladeluftkuehler is damn cool! How many Pferdestaerken has it now?
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