Rusty bolt, broken extractor fun - JeepForum.com

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post #1 of 24 Old 09-18-2013, 05:03 PM Thread Starter
95GCL
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Rusty bolt, broken extractor fun

Hey guys in removing the rusty, broken bolt for one of the skid plate/hitch bolts, decided to use a Snap-On extractor. Well, it broke off in there. Sheared clean off.

Thinking about using a dremel to get through the extractor, will these bits work ?
http://buy1.snapon.com/catalog/tools...e=snapon-store

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post #2 of 24 Old 09-18-2013, 05:11 PM
newfieZJ
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I feel for ya man . I had to do this yesterday . Only difference was I had to take it off my parts jeep . I took an air chisel to the frame and got a wrench on the nut . I tried saw zaw , jig saw , and nothing I had worked . Thought about the dremmel but been putting it off for years . I wish you luck , that was a PITA even doing it my way .
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post #3 of 24 Old 09-18-2013, 05:13 PM Thread Starter
95GCL
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Well theres nothing for me to get a wrench onto haha. Yeah I think it will take some time and the work on this jeep has been slowish and been going on for a bit...Thisll be my daily once done..Cant wait to drive it and not my sisters car.
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post #4 of 24 Old 09-18-2013, 05:33 PM
newfieZJ
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Here's my hack job and a pic for you to see what's inside . Not recommended , this jeep is going to the grave
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post #5 of 24 Old 09-18-2013, 07:51 PM
1slo_camaro
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Newfie, not to steal the thread but what year is the ZJ wanna pull the o2s off???? i need both for my 98 4.0



I had to cut the subframe on mine after i snapped 3 of the 4 trans studs. and honestly as long as you dont cut right corners, make the corners rounded I never had any problems with the area and beat on it a lot

1998 ZJ~~V.r 4~~4.0 with a bunch of fancy stuff that makes it look pretty sitting in the driveway.
PM me for 99+ intake manifolds for sale
$125-sandblasted and painted and shipped
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post #6 of 24 Old 09-18-2013, 09:23 PM
zarnold
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Quote:
Originally Posted by newfieZJ
Here's my hack job and a pic for you to see what's inside . Not recommended , this jeep is going to the grave
Remove the bumper, cut the bolt flush to the lip on the frame, then grind the lip off (easy on the grinder). Punch the bolts out. Easy-peasy.
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post #7 of 24 Old 09-18-2013, 09:29 PM
zarnold
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Quote:
Originally Posted by zarnold

remove the bumper, cut the bolt flush to the lip on the frame, then grind the lip off (easy on the grinder). Punch the bolts out. Easy-peasy.


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post #8 of 24 Old 09-18-2013, 10:12 PM
zjosh93
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Quote:
Originally Posted by 95GCL View Post
Hey guys in removing the rusty, broken bolt for one of the skid plate/hitch bolts, decided to use a Snap-On extractor. Well, it broke off in there. Sheared clean off.

Thinking about using a dremel to get through the extractor, will these bits work ?
http://buy1.snapon.com/catalog/tools...e=snapon-store
No, bolt extractors are hardened steel and I haven't found any drill bits that will cut through them. What you can use are these:

http://www.amazon.com/Dremel-9910-Tu...carbide+cutter

I've used these before to remove extractors, taps, and hardened steel roll pins back in the day when I had less patience. Do not break a tungsten cutter off in the hole or your day is done. Any of the small tapered bits will work.

If you have to remove a broken bolt use these:

http://www.sears.com/craftsman-5-pc-...3&blockType=G3

The straight flutes don't twist in like the spiral flutes so they don't expand the bolt and jam it in there even tighter. They also will generally slip before they break. They are tapered so each time they slip they ream a little more of the hole for the next grip so they grip tighter the next time. I've never had one of these fail to remove a stuck bolt or break on me. I've even used one to remove a bolt where the hole I drilled wandered into the parent metal: didn't matter to these guys. Just drill the biggest hole you can without cutting into the parent metal and lightly tap the extractor in to get started.
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post #9 of 24 Old 09-19-2013, 05:15 AM
newfieZJ
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Quote:
Originally Posted by 1slo_camaro View Post
Newfie, not to steal the thread but what year is the ZJ wanna pull the o2s off???? i need both for my 98 4.0
There was only the upstream left , down was gone , just like the muffler and cat . That was one loud 5.9 . I can't guarantee anything was even good or you could have that one , plus I'd have to make sure it was compatible with the 4.0.
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post #10 of 24 Old 09-19-2013, 07:14 AM
zarnold
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Quote:
Originally Posted by 95GCL View Post
Hey guys in removing the rusty, broken bolt for one of the skid plate/hitch bolts, decided to use a Snap-On extractor. Well, it broke off in there. Sheared clean off.

Thinking about using a dremel to get through the extractor, will these bits work ?
http://buy1.snapon.com/catalog/tools...e=snapon-store
Quote:
Originally Posted by zjosh93 View Post
No, bolt extractors are hardened steel and I haven't found any drill bits that will cut through them. What you can use are these:

http://www.amazon.com/Dremel-9910-Tu...carbide+cutter

I've used these before to remove extractors, taps, and hardened steel roll pins back in the day when I had less patience. Do not break a tungsten cutter off in the hole or your day is done. Any of the small tapered bits will work.

If you have to remove a broken bolt use these:

http://www.sears.com/craftsman-5-pc-...3&blockType=G3
You've broken the bolt, and the extractor; given the nature of the beast I would think that you'll break these too.

Grind the bolts flush, a couple of knocks with a punch and the bracket slides right out. But, then you have to remove the rest of the bolts from the bracket. I did this by heating the nuts on the bracket until they were red, then removed the bolts with vice-grips(I'll post a pic from my phone).
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post #11 of 24 Old 09-19-2013, 07:22 AM
zarnold
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Quote:
Originally Posted by zarnold

you've broken the bolt, and the extractor; given the nature of the beast i would think that you'll break these too.

Grind the bolts flush, a couple of knocks with a punch and the bracket slides right out. But, then you have to remove the rest of the bolts from the bracket. I did this by heating the nuts on the bracket until they were red, then removed the bolts with vice-grips(i'll post a pic from my phone).


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post #12 of 24 Old 09-19-2013, 05:30 PM Thread Starter
95GCL
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Not sure exactly how id be able to grind the bolts -- Theyre in the frame/ part of the hitch/skid plate tank. The bolt is down in the hole of where it screws into.
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post #13 of 24 Old 09-19-2013, 06:30 PM Thread Starter
95GCL
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post #14 of 24 Old 09-19-2013, 06:31 PM Thread Starter
95GCL
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Location: catharpin
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edit: clicked once yet it uploaded twice. Gah this is annoying on here to upload images and takes awhile on my connection...
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post #15 of 24 Old 09-19-2013, 06:52 PM
newfieZJ
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Take the bumper off and remove the bracket these nuts are welded to . Do like zarnold did
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