Bushing bolt seized - now what?

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Dave Woodward
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Bushing bolt seized - now what?

Post by Dave Woodward » Sun Mar 22, 2020 10:41 pm

Hi all,

Does anybody have any top tips for removing a seized bolt from a bushing. I'm trying to replace the bolts on one of the anti-tramp bars and as luck would have it, it seems totally seized in the bushing. Its something I've been meaning to do for some time as its always been commented on during MOT as the bolt end didn't quite stand proud of the nyloc.

Youtube guidance seems to be to cut it out which is going to be far too destructive based on the requirement.

Otherwise, I hope everybody is keeping well under the circumstances and look very much forward to being able to meet up again soon.

Dave.
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Re: Bushing bolt seized - now what?

Post by peterc » Mon Mar 23, 2020 5:46 am

Hi Dave, firstly keep dosing it with WD 40. I mean every 30-60 mins during the evening and then let it penetrate over night.
The following evening you may have better chance with a bigger hammer to punch it out.
Which bolt is it?
If it’s one of the pivot bolts you could remove the bolt at the opposite end to enable you to pull the bar down and help with a bit of bolt twisting.
Worst case drill it out with a drill a bit smaller than the bolt dia to ensure you don’t damage the bush.
Best of luck.
Peter C

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Dave Woodward
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Re: Bushing bolt seized - now what?

Post by Dave Woodward » Mon Mar 23, 2020 7:58 am

Thanks Peter for the ideas. I’ve been applying WD40 but suspect I need a lot more. I was considering sourcing an impact wrench to enable application of greater force and vibration through the bolt. I’m concerned it’s just corroded solid. I’ll continue to persevere.
Thanks again.
Dave.
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Re: Bushing bolt seized - now what?

Post by peterc » Mon Mar 23, 2020 10:00 am

Dave,
You need to give the WD 40 plenty of time to seep in.
You haven’t advised which bolt it is. Is there any chance of putting heat on the outer assembly without damaging surrounding parts. E.g spring eye bush.
Peter C

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kdavies3
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Re: Bushing bolt seized - now what?

Post by kdavies3 » Mon Mar 23, 2020 10:04 am

If you can cycle it between soaking with WD40.
Get as much heat on it as you can.
Soak it again and repeat as many times as possible.
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Re: Bushing bolt seized - now what?

Post by SiJackson » Mon Mar 23, 2020 10:28 am

Just cut through the bolt and replace the bush. If its been siezed it probably won't be in good fettle now anyway. they are not expensive and will save you all the hassle

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clive
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Re: Bushing bolt seized - now what?

Post by clive » Mon Mar 23, 2020 11:22 am

I wouldn't want to be applying too much heat to an oil soaked bush on a fibreglass car. Initially I would try using an impact gun and failing that cutting.
Cheers, Clive.

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Re: Bushing bolt seized - now what?

Post by Dave Woodward » Mon Mar 23, 2020 2:20 pm

Agreed Clive :) !!!
As noted above its one of the bolts for the anti-tramp bar. Specifically the rear bolt of the near side anti-tramp bar. Big fat bushing that bolts to the underside of the leaf spring / axle assembly.
I've ordered some PlusGas which I understand is a much better penetrating oil that WD40 so will see how that works.
Does anybody have a home impact wrench and if so how would you advise anybody considering a purchase for home garage use.
Thanks all.
Dave.
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clive
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Re: Bushing bolt seized - now what?

Post by clive » Mon Mar 23, 2020 2:54 pm

I have both a pneumatic and 240 volt version. Personally if I were looking to replace I would go down the cordless battery type. WD 40 is not that good, i prefer diesel with a small amount of oil added.
Cheers, Clive.

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Re: Bushing bolt seized - now what?

Post by David Large » Mon Mar 23, 2020 4:31 pm

Hi Dave,

I have a 12volt impact wrench I bought from Machine Mart a few years ago - you need to connect it to a 12v battery. It works pretty well for me.
David L

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