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Ford 9N, 2N & 8N Discussion Forum
Show Parts for Model:

Loosen bolts?

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Charner MS

03-05-2014 14:48:55
66.175.158.243



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What's the best way to loosen head bolt without popping the head off. Sometimes the pull handle will pop the bolt and sometimes the impact wench will pop it. I've tried Blast-0ff and heat. Which wrench is recommended.




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maxwell99

03-05-2014 19:00:06
199.255.64.153



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 Re: Loosen bolts? in reply to Charner MS, 03-05-2014 14:48:55  
check this one out:

they say ATF and acetone
50/50 solution is the best penetrating oil
who knows, if you got the nuts off and did not break any bolts, you have the best penetrating oil. to me, heat is the best, but some times you can not use heat.

http://www.cyclefish.com/forum/The-Garage/General/Penetrating-Oils---Which-works-best-on-Rusted-Nuts-amp-Bolts-132611-1.html

I would reinstall with new nuts as the old ones after torqueing may have stretched threads.

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Dean

03-05-2014 17:10:16
152.216.3.5



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 Re: Loosen bolts? in reply to Charner MS, 03-05-2014 14:48:55  
Impact.

Dean



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FLAcharlie

03-05-2014 15:47:42
75.88.126.89



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 Re: Loosen bolts? in reply to Charner MS, 03-05-2014 14:48:55  
I did mine previous winter. Since I had all the time in the world, I soaked each bolt in Marvel Mystery Oil, plenty of it, for a couple weeks before I started the project. Had no troubles removing them with air impact wrench.



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TOM N MS

03-05-2014 16:25:45
172.6.29.244



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 Re: Loosen bolts? in reply to FLAcharlie, 03-05-2014 15:47:42  
How does MMO or any other "penetrating oil" do any good if the bolt is horizontal? I can see how it MIGHT seep down the side of threads if the bolt is vertical.....IMHO most penetrating oil is just a "feel good" thing...



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Den N Ms

03-05-2014 19:10:05
184.41.141.188



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 Re: Loosen bolts? in reply to TOM N MS, 03-05-2014 16:25:45  
Tom,by a process known as wicking,Kroil and PB are both good at wicking.



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Colin King

03-05-2014 18:10:43
67.233.243.100



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 Re: Loosen bolts? in reply to TOM N MS, 03-05-2014 16:25:45  
I think there's a significant improvement on rusted bolts - especially noticeable if you're trying to wrench by hand rather than impact. I've had nuts and bolts I couldn't turn, but after a few days of soaking with PB, came apart with relative ease.

Colin



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FLAcharlie

03-05-2014 16:48:52
75.88.126.89



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 Re: Loosen bolts? in reply to TOM N MS, 03-05-2014 16:25:45  
I thought "head bolt" was in reference to the head. I changed the head gasket, and all the head bolts were vertical, not horizontal.



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TOM N MS

03-05-2014 17:45:13
172.6.29.244



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 Re: Loosen bolts? in reply to FLAcharlie, 03-05-2014 16:48:52  
Hmmmmm-yea I drifted off into senior moment land i guess...My brain was saying/thinking Manifold.....



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s19438

03-06-2014 01:47:42
108.36.215.249



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 Re: Loosen bolts? in reply to TOM N MS, 03-05-2014 17:45:13  
same here.



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