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Spring under tension?

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Old Aug 21, 2020 | 07:21 PM
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Default Spring under tension?

i have a rusty old spring I need to get out. I dont think the bolts will move. Is it safe to sawzall the exposed bolts? I don't want any spring surprises


Last edited by xpoc454; Aug 21, 2020 at 07:21 PM.
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Old Aug 21, 2020 | 07:43 PM
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Nevermind. The Bolts did move with a breaker bar.
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Old Aug 21, 2020 | 09:18 PM
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Shes looking a tad crusty. What is it?
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Old Aug 21, 2020 | 10:31 PM
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Originally Posted by Tranz Zam
Shes looking a tad crusty. What is it?
A horribly rusted 77 I'm slowly parting out. I think it put an pound of that in my eye just getting those bolts off.
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Old Aug 21, 2020 | 11:45 PM
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Originally Posted by xpoc454
A horribly rusted 77 I'm slowly parting out. I think it put an pound of that in my eye just getting those bolts off.

Don't mess with the spray can- THIS-





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Old Aug 22, 2020 | 01:06 AM
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Amazon Amazon

Thanks Richard!

At Amazon, why am I surprised??

Although one study showed a homemade mix of ATF and acetone 50/50 was one of the most effective penetrants and cheep too.
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Old Aug 22, 2020 | 01:49 AM
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Originally Posted by 20mercury


https://www.amazon.com/Blaster-Penet.../dp/B000KKJRTU

Thanks Richard!

At Amazon, why am I surprised??

Although one study showed a homemade mix of ATF and acetone 50/50 was one of the most effective penetrants and cheep too.
Is this right, ATF and Acetone? Any particular kind of ATF?
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Old Aug 22, 2020 | 01:49 AM
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For what it's worth, once the bolts at both ends of the spring are removed, the spring should no longer be under any tension. Just the "dead weight" of the spring leafs themselves hanging below the differential carrier. If you had supported the spring (from below or up to the diff X-member) you could have cut the four mounting bolts you asked about with no danger from the spring.

Paul

Last edited by nwav8tor; Aug 22, 2020 at 01:49 AM.
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Old Aug 22, 2020 | 11:42 AM
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Originally Posted by Z06LMB
Is this right, ATF and Acetone? Any particular kind of ATF?
FWIW, here you go:

https://backyardtoolshed.com/best-penetrating-oil/

acetone ATF; scroll about 1/2 down. I do not see an ATF brand, I use the cheepy ATF when I mix it up.
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Old Aug 22, 2020 | 11:50 PM
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Once the end point of that spring are freed, there is no tension in the spring assembly. You can cut the bolts. But, if the spring was 'loaded', that would NOT be a good thing.
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