falcor75
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| posted on 22/4/19 at 09:38 AM |
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of course its the last bolt....
I started stripping down the donor Sierra struts today. Had let all bolts soak in penetrant over night and wirebrushed any threads that stuck out to
make sure they dont jam up. Right side went fine, all the parts came apart. Left side too, except for the bolt holding the shock to the upright. it
sheared off at the first attempt to free it. Ohwell. up in the vice, centerpunch, nice new drillbit and start drilling out the remains. Here's
where the real fun started.
The drillbit didnt exit in the center of the bolt. Somewhere about halfway it started wearing off so now I have half the bolt stuck in the upright.
Is there any chance of fixing this or should I just look for a new upright? They are getting kinda hard to find here in Sweden. 
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Mr Whippy
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| posted on 22/4/19 at 02:18 PM |
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If it was me I'd put the hub bearing in water to protect the bearing and get a torch on the broken thread and get it nice and red hot, once cool
a god soaking with WD40 etc. You should then find that the bolt thread will turn easily as the rust will have boiled off. Those who deal with old cars
know that heat is always your best bet when dealing with stuck bolts.
Leave the part to cool naturally, don't dump it in water or you will make the part brittle.
Oh and I assume you have removed the strut cos if you heat that it will explode throwing boiling hot oil over you and ruin your day...
Don't heat up ball joints either, they also explode
[Edited on 22/4/19 by Mr Whippy]
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CosKev3
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| posted on 22/4/19 at 08:45 PM |
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Try welding a nut onto the end
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gremlin1234
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| posted on 22/4/19 at 09:21 PM |
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quote:
Originally posted by Mr Whippy
once cool a god soaking with...
in Sweden you may chose thor, (and just hit it with a hammer - again)_
all gods may vary
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Mr Whippy
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| posted on 23/4/19 at 06:02 AM |
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quote:
Originally posted by gremlin1234
quote:
Originally posted by Mr Whippy
once cool a god soaking with...
in Sweden you may chose thor, (and just hit it with a hammer - again)_
all gods may vary
may take that as well 
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falcor75
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| posted on 24/4/19 at 06:11 PM |
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Well I got the remains of the bolt out but theres of course a bit of damage to the threads on one side in the upright. Either I'll have to weld
it up and have it remachined or go for a larger diameter bolt or a thru bolts with a nut at the opposite end.
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JMW
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| posted on 24/4/19 at 06:31 PM |
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Is helicoiling it back to standard an option?
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Mr Whippy
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| posted on 25/4/19 at 06:11 AM |
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Well done getting it out 
I'd go for the larger bolt size, maybe using a capscrew instead of a bolt so the head is still much the same size.
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rusty nuts
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| posted on 25/4/19 at 07:59 AM |
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Use a longer bolt with a nylok nut.
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