Front ARB locker missing a bolt.... - JeepForum.com
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Unread 05-17-2013, 12:55 AM   #1
offroadz
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1980 CJ7 
 
Join Date: Mar 2011
Location: chandler, az
Posts: 279
Front ARB locker missing a bolt....

Sheared off inside and the bolt was stuck on the magnet when I popped the diff cover off.

First pic is the locker with the empty hole. Next pic is the bolt I'm holding. Can't thread down.

Am I going to run into issues later on or does this need to be addressed immediately. Has anyone able to drill out the sheered bolt out of something like this?

diffy1.jpg   diffy2.jpg  
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Unread 05-17-2013, 10:50 AM   #2
jsipe007
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1994 YJ Wrangler 
 
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I have never seen that happen before... How old is your locker?

I have seen the flat headed screws that hold the locker together get sheared off but i don't think they are graded bolts.

Is that a grade 8 or higher? If so, that may be difficult to drill out but if you go really slow it might work. If the locker is less than 2 years old, it may be worth contacting ARB.
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Unread 05-17-2013, 10:53 AM   #3
offroadz
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Quote:
Originally Posted by jsipe007 View Post
I have never seen that happen before... How old is your locker?

I have seen the flat headed screws that hold the locker together get sheared off but i don't think they are graded bolts.

Is that a grade 8 or higher? If so, that may be difficult to drill out
Talking with a buddy who just put a new Detroit in, I'm going to seal it back up, wheel it(dumb, i know) and get it fixed down the road. I just won't engage the front locker. Trails I go on are just for scenic views anyway.
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Unread 05-17-2013, 11:09 AM   #4
CSP
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The bolt may just back right out of the hole now that it has no tension on it. Have you tried to remove it?
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Unread 05-17-2013, 12:05 PM   #5
offroadz
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Quote:
Originally Posted by CSP View Post
The bolt may just back right out of the hole now that it has no tension on it. Have you tried to remove it?
I haven't. I'm trying to figure the correct tool.

not sure what is the best course to remove it or back it out and put a new one in.
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Unread 05-17-2013, 12:33 PM   #6
CSP
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I would try with just a punch or screwdriver to see if it moves without much resistance first. You might catch an edge where it broke and that might be enough to get it to turn.
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Unread 05-17-2013, 12:39 PM   #7
offroadz
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1980 CJ7 
 
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Location: chandler, az
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Quote:
Originally Posted by CSP View Post
I would try with just a punch or screwdriver to see if it moves without much resistance first. You might catch an edge where it broke and that might be enough to get it to turn.
I will try that!!! Good idea.
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Unread 05-19-2013, 02:01 AM   #8
WSS
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Is that red/orange color in the hole look like loctite to you? Red sucks, but you can shock it some to loosen if it is red loctite. A flat punch lined up in the center and tapping with a ball peen or small sledge will sometimes work. Careful not to hit with a tool that might enlarge the (whats left of it....) bolt and cause it to tighten in the hole. ARB has pretty tight tolerances, so go slow. Could be silicone too, the pics does not show it specifically. Keep away from that airline too if possible. Lucky you have the bolt head. The marks on it will tell you how easy it is to drill. Gr8 takes a cobalt or better and a Gr5 can be done with hss bits then a ez out will make short work of it. Is it metric (I suspect it is, I think I see a "m" on the bolt head)?
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