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Helpful "LOOSE JUICE" recipe for stuck exhaust bolts
Topic Started: Nov 11 2014, 11:08 PM (679 Views)
Greywolf
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Mostly Harmless

1 part Automatic transmission fluid

1 part acetone (available wherever you get paint supplies)


~The acetone helps percolate the tranny fluid into the threads, the tranny fluid breaks up corrosion and lubricates.


TRIED IT, and it works diamond



There is also the "HOT WAX TRICK"

Heat the bolt with a propane torch, and apply a CRAYOLA CRAYON to it.....

Apparently it acts kind of like flux, and the wax also lubricates while it is hot
*Best of all, crayons are cheap
Edited by Greywolf, Nov 11 2014, 11:12 PM.
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2000Firefly1.3L
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you should search before posting. ive been using this for awhile.
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Car Nut
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2000Firefly1.3L
Nov 11 2014, 11:38 PM
you should search before posting. ive been using this for awhile.
Not everyone sees every post. Newbs coming on board every day. Not a bad idea to bring up good tips from time to time. (In my humble but totally accurate opinion) :lol
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myredvert
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myredvert

I inherited a couple of can of Motorcraft rust penetrate several years ago from my dad. Nasty black stuff that worked better than anything I have ever tried, but sadly those cans are all but a fond memory now. I have a tiny bit left in one can that I am saving for that mother of all rusted bolts I may encounter one day.

Fortunately, when I ran out, I seemed to recall that Pb Blaster works pretty well too, and I can't imagine ever not having some around longer than the time it takes for my next trip into town to replace it - if I would even wait that long. Asking the gf to pop into the AZ after she leaves work seems to be pretty reliable insurance that I will not encounter any stuck bolts that night. ;)

On the more stubborn bolts heating it up first helps draw the liquid deeper in when it cools. On the other hand, if you are out of Pb Blaster but have acetone and ATF, or you can steal your kid's propane torch and crayons without retribution, go for it. :thumb

One question... What color crayon works best? :lol
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Cobb
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I just use wd 40, a 6 point socket and a 1/2 inch impact wrench. I tighten it first, then loosen it and switch between the 2 directions vs jsut wrenching it off at one shot. :thumb
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t3ragtop
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Turbo3 and Twincam Tweaker

alternate applications of "rust freeze" and heat from a torch for me.

then i just snap off the bolt, hit it with a grinder, punch the center, drill with successive diameter drills, and then re-tap. :P

i tend to replace hardware with stainless steel and grease it up with copper never seize. ;)
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Greywolf
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Mostly Harmless

PB Blaster is another one I swear by, and I am forever finding yet one more bottle of anti-sieze compound that I forgot I had. There must be at least a six pack of them out in my garage
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Mythstae
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Greywolf
Nov 12 2014, 08:23 PM
PB Blaster is another one I swear by, and I am forever finding yet one more bottle of anti-sieze compound that I forgot I had. There must be at least a six pack of them out in my garage
You guys and your rust, I swear. I have a little baby tube of anti-seize; like the size of a travel tube of toothpaste.
I can name precisely 10 bolts that I used it on.

The bolts for the back seat.

(Actually they're not even bolts, are they... they're "machine screws".)
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Woodie
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myredvert
Nov 12 2014, 11:35 AM
One question... What color crayon works best? :lol
Flesh, good luck finding one.


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truckjohn


Don't overlook boring old Turpentine... Kroil also works great too...

Unfortunately, for exhaust bolts... It's a toss up... 90% of the time - if they are older than a year - they break off..... Especially the ones on the exhaust pipe itself - as they seem to be made of Corten steel (AKA the Pre-rusted stuff with the tensile strength of warm peanut butter)

The BEST thing I have found is to have a spare and all the stuff to extract it already in hand BEFORE you put the wrench on it...

Thanks
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