1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

How do I get the bolt out of the lower control arm

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Old Jul 22, 2007 | 09:13 AM
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How do I get the bolt out of the lower control arm

I can't get this thing out no matter what I've tried, including my sawzall. Can you guys think of anything to try?
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Old Jul 22, 2007 | 09:42 AM
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Hammer, big hammer. What happens allot of times is the bolt will rust along with the control arm and they'll bond together.
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Old Jul 22, 2007 | 10:52 AM
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I've tried the BFH, it doesn't work either. Man, this sucks.
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Old Jul 22, 2007 | 11:41 AM
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Do you have an air hammer? That may do it.

Other wise... I have cross member and an extra set of control arms if you need them.

If you haven't already, use allot of PB Blast on them... squirt it a few times today and try tomorrow.
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Old Jul 22, 2007 | 12:23 PM
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yea you need to cut it out, get some better blades for the sawzall or try a angle grinder with cutting disc.
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Old Jul 22, 2007 | 01:22 PM
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I was about to give up on this one after a couple hours of wacking on them. But I came back another day with a little more patience and some better fitting wrenches, rachets, scedule 40 PVC "helpers" and lots of PB blaster and got them off both sides, it's a nice feeling when it happens.

Ray
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Old Jul 22, 2007 | 01:42 PM
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Sweet merciful God, the bolts on my car did NOT want to come out. I used penetrating lubricant, propane torch, and hammered the ever loving **** out of it. I ended up dropping the entire crossmember and cutting the bolts with a cut off wheel. Hopefully you won't end up in my position.
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Old Jul 22, 2007 | 01:47 PM
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Interesting that you guys are having so many problems, mine came out pretty easily. An air hammer would work wonders in this situation though.
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Old Jul 22, 2007 | 02:09 PM
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^^Just all depends on rust... I've had some I can easily get the nut out and pull to bolt out by hand (wiggling the control arm) and others I've had to beat the ever living mess out of... it's a just a big "it depends" when it comes to these. And like I said before, just because you get the nut off doesn't mean the bolt is going to come out, it still may be rusted to the inside of the control arm.
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Old Jul 22, 2007 | 03:26 PM
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Is the control arm out and off the car? Gently heat the hole around the bolt with a torch, then using two hammers, tap the bolt on both sides at the same time to work the rust free. That prevents distortion that would lock the bolt into place, which would be bad.
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Old Jul 22, 2007 | 03:28 PM
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Originally Posted by Manntis
Is the control arm out and off the car?
Nope, I can't get it off the car. It's drooping down like a flacid *******.
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Old Jul 22, 2007 | 03:36 PM
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might still be able to heat it, but mind the brake lines and bushings.
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Old Jul 22, 2007 | 06:23 PM
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I just always use a 1/2 drive and a bar. We had one fight us. used the 3/4 set a pipe and two of us. When It popped we thought it was the socket breaking.
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Old Jul 22, 2007 | 08:52 PM
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Well, I got the nut off of it a year or two ago no sweat... I can turn the bolt with my rachet easily, I just can't get it out of the damn hole.
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Old Jul 23, 2007 | 12:26 AM
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What's holding the bolt in place is the steel sleeve that's larger than the bolt holes on either side. If you can't break the rust bond between the sleeve and bolt, then you will need to cut the bolt on the inner sides of the LCA.
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Old Aug 30, 2007 | 08:36 PM
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Finally got it off. It only took a cut-off wheel, a torch, the BFH, and two hours.

Next up, I get to do the drivers' side.
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Old Aug 30, 2007 | 08:48 PM
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you going to keep the FB?
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Old Aug 30, 2007 | 09:02 PM
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Originally Posted by aws140
you going to keep the FB?
Yeah, I've put too much work into it to junk it or give it away. I'll just chip away at it here and there when I have the time. The 'vert is gone, the T2 is going this weekend I believe.
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Old Aug 30, 2007 | 09:04 PM
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I did this last year took sawzall, BFH, wrenches and a ***** load of swearing, grease the new bushings and regrease them annually
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Old Aug 30, 2007 | 09:18 PM
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good choice with keeping the FB. any engine ideas?
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Old Aug 30, 2007 | 10:09 PM
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Originally Posted by aws140
good choice with keeping the FB. any engine ideas?
The 12A is fuxxored. Going to do a swap, probably V-6.
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Old Aug 30, 2007 | 11:10 PM
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try a very hot torch, like propane and compressed air mix, or O2 and aceltylene.
Once you get it hot through water all over it or better yet dunk in water. eventually the expansion and contraction cycle should break it free.

a far second choice: cut the threaded part off and precision drill it out
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