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Old 04-29-2020, 10:13 PM   #5
70StepsideC10
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Join Date: Jul 2016
Location: Toronto, Ontario
Posts: 39
Re: Trouble removing upper control arms, seized onto studs

Thanks all for the replies. Sorry for the slow response, things have been busy lately and I haven't been on here for a bit. I was being a little too shy with the torch at first, I put some more heat to it and was able to pry the shaft off.

Quote:
Originally Posted by Basketcase889 View Post
I haven't attempted mine on my newest C10... but I feel your pain for these trucks in Ontario and the rust they see
Fortunately my truck isn't too bad, there's been a few stuck fasteners but there definitely is some built up rust and corrosion in the front suspension. But it's all part of the fun!

Quote:
Originally Posted by Greasey Harley View Post
I have had good luck removing seized fasteners by heating with a propane torch 'til its dull red, then dropping rapid tap on the bolt.
at first it will smoke , just keep dripping it on the threads, till it starts to "suck in". once that happens, keep adding more.
Let it cool completely before you try to remove it. Rapid-Tap has a high smoke point and penetrates well.

That's a great tip, I will have to get some Rapid Tap and try that out sometime!
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