exhaust problems
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New User
Joined: Dec 2011
Posts: 15
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exhaust problems
I just got a 79 f250 4x4 400 4speed the manifold gasket on the driver side is bad. How can I get these rusfty bolts out without stripping or breaking them. It is all factory original exhaust manifolds thanks for any advice
Cargo Master
Joined: Oct 2010
Posts: 2,339
Likes: 32
From: Lost In a Pit of Despair
I use WD40 penetrating oil spray. works wonders. One thing I do sometimes on really rusty bolts, I will heat them up with a propane blowtorch (until red hot) then spray them with cold water. Cracks the rust like no other
Fleet Owner
Joined: Dec 2009
Posts: 20,678
Likes: 82
From: NorCal
Consider using this product: Welcome to: Loctite® Freeze & Release
An excerpt:
"Loctite® Freeze & Release instantly freezes seized and rusted bolts, nuts, studs down to -45°F (-43°C). This ultra shock-freeze effect causes microscopic cracks in the layer of rust, allowing the penetrating oil to wick directly into the rust by capillary action. The assembly can be easily dismantled after allowing only 1-2 minutes penetration time.
Product Features & Benefits
<TABLE border=0 cellSpacing=3 cellPadding=0 width=340><TBODY><TR><TD vAlign=top width=19 align=middle>•</TD><TD width=306>Fast The assembly is frozen in less than 10 seconds, and should be ready to dismantle in 1-2 minutes. </TD></TR><TR><TD vAlign=top align=middle>•</TD><TD>Easy No hammer, long pipe, torch or cut-off
wheel is required.</TD></TR><TR><TD vAlign=top align=middle>•</TD><TD>Multi-Purpose Released parts remain lubricated and protected from corrosion.</TD></TR></TBODY></TABLE>
"
.. and report back on how well it worked or not.
An excerpt:
"Loctite® Freeze & Release instantly freezes seized and rusted bolts, nuts, studs down to -45°F (-43°C). This ultra shock-freeze effect causes microscopic cracks in the layer of rust, allowing the penetrating oil to wick directly into the rust by capillary action. The assembly can be easily dismantled after allowing only 1-2 minutes penetration time.
Product Features & Benefits
<TABLE border=0 cellSpacing=3 cellPadding=0 width=340><TBODY><TR><TD vAlign=top width=19 align=middle>•</TD><TD width=306>Fast The assembly is frozen in less than 10 seconds, and should be ready to dismantle in 1-2 minutes. </TD></TR><TR><TD vAlign=top align=middle>•</TD><TD>Easy No hammer, long pipe, torch or cut-off
wheel is required.</TD></TR><TR><TD vAlign=top align=middle>•</TD><TD>Multi-Purpose Released parts remain lubricated and protected from corrosion.</TD></TR></TBODY></TABLE>
"
.. and report back on how well it worked or not.
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Rusty Roller
Joined: Oct 2011
Posts: 1,423
Likes: 5
From: Santa Cruz Mountains
I previously used to use WD40 for a penetrate for rusty bolts and squeaky hinges. But have since changed my mind. While I still use it; Kroil is best followed by PH Blaster.
WD40 is a very good product if used for the purpose intended. WD40 is for water displacement, it does a great job of displacement of water; ie: moisture on or in your distributor cap. If you need a lubricant it is the wrong product. WD40 got the name as a lubricant because grease and oil collect dust and dirt get thick cake up and get gummy. Therefore they do not work well in this condition. WD40 in small amounts soften and thin lubricants where they again work as intended. The WD40 itself does not lubricate, and if enough is used it will wash away the lubricant so it is no longer there to work. WD40 works well for some things, and very poorly for others.
So, What's in a name? WD= Water Displacement and 40 was the number of try's it took to develop correctly....
Link: WD-40 Company and Product History
Disclaimer: Just for reference... Everyone has their favorites, no offense intended.
.
WD40 is a very good product if used for the purpose intended. WD40 is for water displacement, it does a great job of displacement of water; ie: moisture on or in your distributor cap. If you need a lubricant it is the wrong product. WD40 got the name as a lubricant because grease and oil collect dust and dirt get thick cake up and get gummy. Therefore they do not work well in this condition. WD40 in small amounts soften and thin lubricants where they again work as intended. The WD40 itself does not lubricate, and if enough is used it will wash away the lubricant so it is no longer there to work. WD40 works well for some things, and very poorly for others.
So, What's in a name? WD= Water Displacement and 40 was the number of try's it took to develop correctly....
Link: WD-40 Company and Product History
Disclaimer: Just for reference... Everyone has their favorites, no offense intended.
.
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Freshman User
Joined: Nov 2004
Posts: 38
Likes: 1
If you do break off a bolt, take a torch and head it up, doesnt have to be red hot but good and hot, take parafin wax ( the kind used for canning foods ) and touch the bolt for about 4 seconds and watch the wax run into the threads. After that you should be able to grab the bolt with vice grips and turn it out. I have done this quite a few times with rusted or broke bolts, works well. Just anouther option. Also make sure you clean the wax out of the hole with a thread chaser or use the torch again.
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