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Old 05-06-2006, 10:10 AM
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broke bolt

i was trying to remove the tranni mount from a muncie i was putting in and broke a bolt so i i drilled it a used a easy out broke it and other suggestion on how to get it out?

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Old 05-06-2006, 03:27 PM
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Quote:
Originally Posted by bigtim
i was trying to remove the tranni mount from a muncie i was putting in and broke a bolt so i i drilled it a used a easy out broke it and other suggestion on how to get it out?
OUCH!!!

This is the type of thing you really do not want to happen.

Drilling out the bolt was fine.

If it happens again, buy a left hand drill bit (runs in reverse direction) and drill the bolt out with it. Many times this will 'grab' and end up unscrewing the stuck bolt section.

Breaking the Easy-out is not.

The Easy-out is hardened. You might be able to drill out the Easy-out with a solid carbide drill. A carbide tipped drill will not usually work as the tip is just silver soldered on. You might also be able to loosen up the Easy-out by striking it from a side angle (if you can) and alternating the sideways strikes. If you can get the Easy-out loose, you may then be able to turn it in reverse and remove it. Sometimes applying a quick heat (think oxy-acetylene torch) and then a quick quenching to the bolt will enable you to back the bolt out if there is enough showing to get a grip on with a vice grip.

There are a few other methods that work but if the above doesn't I'd suggest you take everything to a good machine shop that has an EDM machine (not a wire EDM) and get the Easy-out and the bolt burned out.
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Old 05-07-2006, 12:28 AM
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this just happend to another guy here a while back. read this thread.
Broken easy out!!! Now what?
Hope this helps, mikey
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Old 05-07-2006, 12:44 AM
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ok i can get on it with a pair of vice grips but it s too hard to turn so i have an oxy act torch so do it heat it up then cool it off after i get it hot or heat it ;up and try to turn it then
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Old 05-07-2006, 07:14 AM
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Quote:
Originally Posted by bigtim
ok i can get on it with a pair of vice grips but it s too hard to turn so i have an oxy act torch so do it heat it up then cool it off after i get it hot or heat it ;up and try to turn it then
Heat the broken bolt rapidly (trying to keep most of the heat on the bolt rather than the surrounding material) and then cool it by using an aerosol spray (I use penetrating oil for this in an aerosol can as it not only cools but can help lubricate. Starret Micro-oil or WD-40 also works well). Then try to turn it with the vicegrips. The heating / cooling cycle has a tendency to break loose the bolt from the tapped hole. When trying to turn the broken bolt with the vicegrips, rotate slightly in both directions first to help break the bolt loose. Then back the bolt out.

Patience will get the job done! Good luck!
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Old 05-09-2006, 06:05 PM
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Quote:
Originally Posted by bigtim
i was trying to remove the tranni mount from a muncie i was putting in and broke a bolt so i i drilled it a used a easy out broke it and other suggestion on how to get it out?
Tim, had similar problem breaking off a balancer installation tool in the end of a forged crank, drilled it broke easy off just as you did. Finally used a drimmel tool to cut groove in broken bolt and easy out, couldn't get it out either, then used as large a screw driver as would fit into recessed end of crankshaft, it finally gave up
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