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Help with half rounded bolt on s/c

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Old May 4, 2013 | 03:37 AM
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Default Help with half rounded bolt on s/c

im taking off my shaft so i could change the bearings...
while i was in the process of removing everything i ran into a lil problem.. i cant take out the half rounded bolt under the idler pulley...
can someone tell me how to remove it?
any suggestions and advice would be greatly appreciated[IMG]file:///C:/Users/Mary/Desktop/photo_web-large_medium.jpg[/IMG]
Attached Thumbnails Help with half rounded bolt on s/c-photo_web-large_medium.jpg  
Old May 4, 2013 | 04:29 AM
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That looks like an allen head. Never seen that on my kit
Old May 4, 2013 | 04:52 AM
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Originally Posted by JDMTC5
That looks like an allen head. Never seen that on my kit
it is and i cant use a allen cause it wont work, ive tried....
what was yours like? was it half rounded?

some guy said he took a half rounded bolt off of his and it looked like mine
but not 100 percent sure....
heres a video
http://youtu.be/GmV3PsMjEWo
Old May 5, 2013 | 03:06 PM
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bump...
i looked closely at the bolt and who ever installed kinda stripped it a bit...
i just found out yesterday that i need a 6mm allen head to take that out but the problem is the bolt a bit stripped so how would i take it off?
Old May 5, 2013 | 04:03 PM
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I have taken rounded out Allen's out with a screw extractor (home depot, ace hardware) they have aggressive reverse threads that will thread into and lock in the Allen socket, allowing you to remove it (do not reuse that bolt!). You'll need to find the one that barely fits but will thread itself all the way in, and you may have to drill the bolt some of you aren't lucky.

Or have a friend weld a nut on there temporarily so you can get it off. Either way, replace with grade 8 or better and don't forget the anti seize!

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Old May 5, 2013 | 05:49 PM
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Originally Posted by DaWiz711
I have taken rounded out Allen's out with a screw extractor (home depot, ace hardware) they have aggressive reverse threads that will thread into and lock in the Allen socket, allowing you to remove it (do not reuse that bolt!). You'll need to find the one that barely fits but will thread itself all the way in, and you may have to drill the bolt some of you aren't lucky.

Or have a friend weld a nut on there temporarily so you can get it off. Either way, replace with grade 8 or better and don't forget the anti seize!

Sent from my SAMSUNG-SGH-I747 using Tapatalk 2
Well the thing is that it's on the side of my block as you can see in the pic above so it's a bit of a pain to get to
Old May 7, 2013 | 12:17 AM
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I stripped the 6mm allen hole on that bolt when I was taking mine apart. Dremel to the rescue... i shaved it off and then pulled it out with a pair of pliers... then I replaced it with a grade 8 bolt with a normal head and i don't have any belt rubbing at all, so that's good.
Old May 7, 2013 | 01:28 AM
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Originally Posted by SoccerBoy_AP
I stripped the 6mm allen hole on that bolt when I was taking mine apart. Dremel to the rescue... i shaved it off and then pulled it out with a pair of pliers... then I replaced it with a grade 8 bolt with a normal head and i don't have any belt rubbing at all, so that's good.
How did you do that?!
What tools did you use exactly?!
Old May 12, 2013 | 07:27 PM
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Bump

Ok, so i barrowed a bolt extractor kit from my work...
So now that I try to take the bolt out, there's not enough room for me to actually get the ratchet and socket to lock on to the bolt...
Does anyone know of any other ways that I would be able to remove that bolt?!
Old May 13, 2013 | 12:29 PM
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Thats why I used the dremel, shaved the bolt head off, removed the supercharger on the pulley side and then removed the leftoer bolt with a pair of vice-grips. Then when reinstalling I used a new Grade8 hex head bolt. The hex head does not interfear with the belts.
Old May 14, 2013 | 02:32 AM
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Originally Posted by SoccerBoy_AP
Thats why I used the dremel, shaved the bolt head off, removed the supercharger on the pulley side and then removed the leftoer bolt with a pair of vice-grips. Then when reinstalling I used a new Grade8 hex head bolt. The hex head does not interfear with the belts.
do you have a pic or anything of what the dremel looks like?
Old May 16, 2013 | 11:10 PM
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http://www.lowes.com/cd_Dremel_713419423_

The rotary tool is what I was using
You want to use the silicon cutting discs, they work well on most metals
Old May 17, 2013 | 02:07 AM
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Originally Posted by SoccerBoy_AP
http://www.lowes.com/cd_Dremel_713419423_

The rotary tool is what I was using
You want to use the silicon cutting discs, they work well on most metals
The one that you got, was it the dremel rotary tool or was it the 90 degree rotary multi max attachments?!
Old May 18, 2013 | 05:33 PM
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bump...
ok so i started shaving the bolt and so far i got almost to the stud but now i just got to find a way to shave the rest...
anyone has any input or suggestions?
Old May 19, 2013 | 05:47 PM
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Originally Posted by SoccerBoy_AP
Thats why I used the dremel, shaved the bolt head off, removed the supercharger on the pulley side and then removed the leftoer bolt with a pair of vice-grips. Then when reinstalling I used a new Grade8 hex head bolt. The hex head does not interfear with the belts.
How long did it take you to shave the bolt head off?! I've been shaving it since yesterday but still no luck
Old May 21, 2013 | 04:27 AM
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I had it cut off in about 30min, but I've work with a rotatory tool for some time.
Once the head is cut off, give the bracket a good tap with a hammer.... i know the angle is hard... the hit is to separate the bolt from the bracket as they will have had a small amount of fusing going on because of the heat from the rotary tool. Once the head is removed you should be able to grab the bolt shaft with a pair of vice-grips and twist it loose then remove it by finger from there. I don't recall the specs on that bolt but go to ACE and find the replacement in a grade-8
Old May 21, 2013 | 06:09 PM
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30 minutes?! I wish it would take me 30 minutes!
I've spent 2days shaving that bolt and its still there... It's starting to bug me and annoy me cause I've been tryin to remove that bolt for 3 weeks now
Old May 29, 2013 | 01:07 PM
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Make sure you are using the silicon cutting wheel, don't use the compact sanding discs.

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