04-24-2021, 02:49 PM
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#1
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broke the bolt while trying to remove the bumpstop
While trying to replace the bumpstops the bolt for the front right bumpstop broke. I guess i did not soak it long enough. now half the bolt is stuck inside. What are my options to remove that half bolt ? Ideas very much appreciated
thanks
d
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04-24-2021, 05:10 PM
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#3
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If possible grind each side flat to remove grooves and use pliers to turn it out.
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04-24-2021, 07:26 PM
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subing
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04-24-2021, 07:39 PM
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Most successful broken bolt removals work best when heat is applied, along with some penetrating fluid like Kroil; and a couple strikes (with something) to help loosen things up a bit. Then there is the easy out method which I haven't had much luck with. If you break off the easy out - you're kind of screwed.
Another method I've seen is to weld a nut on the broken bolt. I haven't tried this. If there is enough thread you can lock two nuts together and then turn out the inside one to remove the bolt.
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04-24-2021, 07:57 PM
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#6
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official vendor
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Were you able to remove the bumpstop? That's the most important question.
If so, use heat. When this happens to me I always grab MAP gas, and a candle. Heat the broken bolt, and where it threads into. Once heated you can press the candle against the threads where it enters the nut, and the heat will draw the wax in. Heat alone is usually enough to break the rust loose, but just in case it doesn't the wax will. Then you should be able to remove the bolt with channel locks.
Mike
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04-24-2021, 08:14 PM
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#7
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all good suggestions above.....when all else fails, drill it out with a good cobalt bit, at the appropriate speed (crazy how many people ruin bits by going to fast). if you dont catch the treads you can clean up with a tap....if threads are jacked up, install a helicoil.
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04-24-2021, 08:16 PM
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#8
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almost forgot...be sure to yell, cuss real loud and throw some tools around the garage......this always helps
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04-24-2021, 10:08 PM
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#9
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Quote:
Originally Posted by lewdog998
almost forgot...be sure to yell, cuss real loud and throw some tools around the garage......this always helps
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This has been the most effective solution in all my decades of working on cars 
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04-25-2021, 12:54 AM
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#10
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Thanks for all the suggestion. The problem with the front bump stop bolt is that the other side of the bolt is not easily accessible. The bump stop basically snapped off right at the joint of the bolt and the bump stop itself.
The access into the broken bolt from the broken side is also obscured by the LCA. The only option I see is dropping the LCA and somehow drilling the bolt out from bottom. Given the tight space for the work on regular jack stands I may need professional help. I did soak the thing with PB blaster before I started to turn the bump stop.
I am somewhat surprised to see it snap off like this on a 6 yr old car. May be I should have used kroil or something
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04-25-2021, 03:51 AM
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I'd guess that area sees a lot of moisture and corrosion is probably pretty bad. Perhaps a better grade of bolt, or one made of stainless steel would work better; along with anti-seize on the threads. Another option I just remembered is to drill out the bolt with a bit slightly undersized and centered. Then hopefully you can chase the remaining threads with the proper sized tap. However, this might be more trouble and expense (unless you have all the items, tools, etc.) than taking it somewhere to have it removed.
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04-25-2021, 10:40 PM
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#13
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I realized this morning i broke the bolt by turning the bump stop in the wrong direction. I am a total idiot. cant believe i did that.
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04-26-2021, 03:50 AM
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#14
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Had this happen recently. I used a bolt extractor from and top and it worked like a charm.
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04-26-2021, 10:31 AM
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#15
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was it for the same bolt? - there is no easy access to this bolt from top as far as i can see. there is a hole on the metal that covers the area from top. But does not seem to be something that i can reach the stuck bolt through? The access needs to be from the bottom seems to me. Would love to know. Thanks
Quote:
Originally Posted by Jshen
Had this happen recently. I used a bolt extractor from and top and it worked like a charm.
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