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Unread 01-18-2010, 04:29 PM   #1
gsc0527
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Broken rear shock bolt

Okay, totally new here and I think I really screwed up. I have read serveral thousands of threads and have "borrowed" everal of your ideas.

Changing shocks on my new 2000 Jeep TJ. No problems with the front shocks but when I was taking the rear shock off, one of the bolts in the upper "keeper" broke.

It feels like the nut on top has been welded in and need help/ suggestions that won't cost a furtune.

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Unread 01-18-2010, 04:32 PM   #2
gotmudnj
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try a few things screw extractor and drill it out with that. or drill the screw itself and re tap the hole if you can. i did that and had to heat the hole up and drill it out and re tap the whole. it was a pain but easy to get to... easier than on my friends xj that u have to weld a bracket to a nut so u can bolt it up when it breaks lol.
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Unread 01-18-2010, 04:58 PM   #3
bty34
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When that happened to me, I cut a 3x3 hole in the floor above the mounts to get access to the nuts. Then removed the old ones, welded in new nuts and welded the floor back up. It went pretty smoothly.
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Unread 01-18-2010, 05:42 PM   #4
Coldfever
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I used an air hammer and knocked the welded nuts off. Some grade 8 hardware and I was good to go. So far I have had to replace 2 of them. After I had the Jeep all back together I decided that I should have done all of them at the same time. Next time I have to change the shocks I am sure the other two will break.
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Unread 01-18-2010, 05:59 PM   #5
gsc0527
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I like the air hammer idea. Any suggestions for where to find the grade 8 hardware? Does anyone know the bolt size(s)? Looking at the lower rear bolt/ nut assembly it too looks to be about 30% worn through with corrosion.
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Unread 01-18-2010, 06:01 PM   #6
Coldfever
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I just grabbed a few different size nuts, bolts, and washers from Tractor Supply.
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Unread 01-18-2010, 06:01 PM   #7
Neil F.
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Lowes has Grade 8
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Unread 01-18-2010, 06:02 PM   #8
MO2500
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I usually have good luck getting grade 8 stuff from my local hardware store. i would look there and then maybe lowes or home depot
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Unread 04-17-2010, 08:01 PM   #9
russ1436
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Had this problem today. Broke all the bolts. Had to drill them out and then used grade 8 bolts and nuts and washers from Home Depot. Took HOURS. I had no luck trying to beat out the broken bolt with a punch and a BFH.

The joys of owning a 10 year old midwest Jeep
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Unread 03-23-2012, 07:56 PM   #10
footypaul
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Manager to break the first one I touched today, after a week of pb blaster. Started raining before I resolved it. I have a 1in bl. Possible to grab the other end of the bolt with vice grips and turn it on through? My drill is dead and my buddy that usually helps me with stuff is out of town.
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Unread 03-23-2012, 08:09 PM   #11
Keith_C
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I ended up cutting a hole in the back and grinding the square nut off.

Whoever welded mine on made sure Jeep got their moneys worth that day.

They are 5/16" bolts.
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Unread 03-24-2012, 05:12 PM   #12
footypaul
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Still no relif. Mine is more than just tacked on. I can't get a decent angle to try to twist the nut off. Tried a chisel for a minute in the rain. Maybe better luck tomorrow. I will try loosening the body mounts and jacking up the body so I can get a socket and breaker bar or sawzall on it.
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Unread 03-24-2012, 06:01 PM   #13
Keith_C
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Quote:
Originally Posted by footypaul View Post
Still no relif. Mine is more than just tacked on. I can't get a decent angle to try to twist the nut off. Tried a chisel for a minute in the rain. Maybe better luck tomorrow. I will try loosening the body mounts and jacking up the body so I can get a socket and breaker bar or sawzall on it.
I have a 1.25" BL and still couldn't get to it with a sawzall. Just can't get a good angle on it. I tried an air chisel on the other side and actually tore some of the metal off with the nut.
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Unread 03-24-2012, 06:14 PM   #14
MO2500
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I just drilled the welded nut out, purchased a longer grade 8 bolt and used a washer and nut on top of the welded nut. Held up great for 4 years of wheeling.
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Useful tech links:
Stu-Offroad - great technical write-ups!
What's a CV shaft and why do I need one?
Driveline 101
TJ Specs
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Unread 03-24-2012, 06:45 PM   #15
biffgnar
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Are we talking about upper shock mount bolt or body mount bolt near upper shock mounts? Original post a little unclear and seems like you are getting answers to both depending on how people read it. One is a lot easier to solve than the other.
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