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The stud on exhaust manifold was broken. I drill it use my easy out and then the easy out breaks off now i'm screwed. Do I have to remove head. Thans for yoour input
If the stud isn't broken off flush,you might be able to grab it with a pair of vice grip locking pliers after soaking the stud in penetrating oil,or you might be able to weld a bolt to broken off stud,and with the help of the heat generated by the welder and the penetrating oil,be able to loosen it that way,if it is broken off flust then the only way I see it is to try a cobalt drill and drill out the broken easy out again apply penetrating oil,maybe a little heat from a butane torch and try with a quality brand easy out.If that isn't successful,the head will have to come off
I wish they would not even sell EZ-Outs. I had one bad experience thirty years ago, and I've never used them since. Most often what happens is the bolt/stud that is stuck in the threads has 'bottomed out' and the torque required to remove it will easily snap the EZ-Out. Or in the case of the HD exhaust, the steel stud has reacted with the aluminum head (someone didn't use anti-seize) and seized in there. Same result.
If the stud isn't broken off flush with the head try what was posted. The material used in these 'removal tools' is hard and brittle. No doubt it 'shattered' when you twisted it. You won't be able to drill it with anything other than a carbide drill. Try and get one that is reverse twist, use a Dremel tool with a small stone and get a flat surface to start the drill. Work slow.
You still might end up removing the head to work on it. Good Luck.
I wish they would not even sell EZ-Outs. I had one bad experience thirty years ago, and I've never used them since. Most often what happens is the bolt/stud that is stuck in the threads has 'bottomed out' and the torque required to remove it will easily snap the EZ-Out. Or in the case of the HD exhaust, the steel stud has reacted with the aluminum head (someone didn't use anti-seize) and seized in there. Same result.
If the stud isn't broken off flush with the head try what was posted. The material used in these 'removal tools' is hard and brittle. No doubt it 'shattered' when you twisted it. You won't be able to drill it with anything other than a carbide drill. Try and get one that is reverse twist, use a Dremel tool with a small stone and get a flat surface to start the drill. Work slow.
You still might end up removing the head to work on it. Good Luck.
I agree,eazy outs suck.Everytime I tried using it,I wind up drilling out & retapping[:@]
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