Rust removal - FAST, CHEAP - WOW.

[FJ40disciple]

Good stuff Bsmith...

Read the attachment, and the key paragraph as per the stuff I am using is:

"Other acids will etch rust, but not as selectively. Hydrochloric acid can etch rust very quickly. Oxalic acid has also been used. However, if you leave metal in these acids a bit too long, you will lose a significant amount of metal. Also, neither acid leaves a protective film behind. Oxalic acid opeartes to remove rust by forming a water-solable complex ion (called a chelate) around each iron ion. So do cyanide compounds. Both (I am understanding the Oxalic, and cyanide compounds) react likewise with the iron in your blood, meaning the oxalates are just as poisonous as the cyanides."

Again - no chemist - but what I am gathering is you want to stay away from the Oxalic, as it is poison - I am guessing the hydrochric is used with us lowly janitors because it just burns

As well, the "very quickly", and "significant metal loss" statements...I would stay away from under the dash. I do say - quickly - oooh yah! - I will post pics - some metals have turned "yellow" with a residue (after EXCESSIVE high pressure and close rinse) - the metal has a yellow film/dust (dry now) I am guessing you want full protection from the dust when buffing off (duh), but it brushes of 10x's faster than rust (just sitting on top).

Thanks Bsmith.
Cheers
Mike.

 

[romey]

lol, ya, was thinkin about the awkwardness doin it under, even with stands, yikes....it burns! it burns! think i'll save my bronchioles for now... thanks for the chemistry lesson bsmith!

 

[bsmith123]

stuff that works

You have to admit stuff that works really fast has a certain charm
It may have it's uses if you are prepared properly

OSHPHO is meant to treat rust and as a paint prep but it will let you know too if you leave it on your skin too long

 

[FJ40disciple]

Ok - here we go with pics - bare with me...

I think I may have done it... man that bucket mathingy is cool. I could have invented that... Just that when someone else does, well, you know...

See attached pics - I think they all be in reverse order - much like most of my FJ40 - hope it works when I'm done...


Pictures by FJ40disciple - Photobucket

There's about a 10% chance this will work...
Cheers
Mike

Ha! - I think it worked - and SHE didn't even help me - she's gunna be sooooo proud!!!

 

[romey]

almost! just touch the pic in your album, then a drop down thing shows up with different codes: hit the "img" one at the bottom and cut and paste that link on to here.... and voila...

nice diagram!

 

[FJ40disciple]

Thanks Romey - You biggum help with me figure out how to use "bucket" on PM...
Cheers
Mike.

 

[FJ40disciple]

To eliminate some of the "yellow" residue ,and give it one more final cleaning (couldn't buff all the nooks and crannies), I gave it a quick spray with metal ready, and one more wash - this removed all residue, and the bare drive-train getting painted today.