C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Shock Removal

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Old Apr 9, 2009 | 11:30 AM
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Default Shock Removal

About as basic a question is it gets but... tring to replace the original shocks on my 87 and the retaining nut is locked. Tried the vise grips on top but it's just rounding off no matter what I do. Soaked in Blaster. Even tried putting another nut on top to get a better grip. Any tricks/suggestions? And btw, what size is the retaining nut?
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Old Apr 9, 2009 | 11:36 AM
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Hmmm, you already know you shouldn't have gone after the bolt and nut with Vise Grips. I don't know what the nut size is. You need the propper wrenches and I assume you already found that out. There are special sockets you can buy that remove rounded bolt heads and nut. I think you better go to the auto parts store, Sears or somewhere like that now.
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Old Apr 9, 2009 | 11:48 AM
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If you don't care about rebuilding the old ones, just cut it off.
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Old Apr 9, 2009 | 12:19 PM
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Just cut it off, how's he going to do that with his Vise Grips? LOL
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Old Apr 9, 2009 | 12:41 PM
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Actually, I started out with wrenches - closest I could get was 6mm on top and 15mm on the nut. I've started wondering: do the shocks need to be compressed to get the nut off? Would taking off the lower nuts help/harm? Anyway, what's done is done and I am prepared to cut them so... These are Bilstein Gas -any special concerns?
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Old Apr 9, 2009 | 01:04 PM
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I wouldn't compress them, leave the extended so there's no load on them.

Cutting the mounting rod won't go into the compressed gas section.
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Old Apr 9, 2009 | 01:19 PM
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Just cut or grind through the nut. I used a small cutoff wheel.
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Old Apr 9, 2009 | 01:45 PM
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It didn't appear that it would, Brian, but I thought I'd check. (Say hello to Boston when you get back. Lived there for three years and loved it. Too cold for me now, though.)

RW: Thanks. That'll be easier than going with a keyhole which I was thinking of.
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Old Apr 9, 2009 | 08:03 PM
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Hacksaw Time ....WW
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Old Apr 10, 2009 | 05:39 PM
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You can heat the nut and if that doesn't work use a nut spliter.
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Old Apr 10, 2009 | 08:33 PM
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We use to take an extended socket with a long extension, place it over the nut and rock back and forth from side to side. This eventully breaks (wear hardens) the rod just below the nut. Of course if you're planning on rebuilding, that won't work...............Frank
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Old Apr 10, 2009 | 11:06 PM
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Originally Posted by bills1985corvette
You can heat the nut and if that doesn't work use a nut spliter.
with the heat the nut part. Spray your PB Blaster and let sit overnight. Since you stipped the top of the shock stud, tighten down as much as possible with those vice grips or pipe wrench and heat up nut and turn coounter clock wise to remove. Good Luck.
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