How To Clean Rust Off Of Aluminum Running Boards
| Tech Tips | De-Rusting with Vinegar |
| past Alan Christensen | |
A quick and not as well expensive rust removal technique using
Five i north east g a r !
The problem I had to solve was removing a coating of rust from the running boards of my pickup truck. The running boards had some channels which fabricated brushing difficult. My son and I bought some vinegar to soak the metal in. First we measured the running board, and then went to a warehouse grocery store for supplies.
 | White vinegar was sold in boxes -- two gallons per box. We lined upwardly vinegar boxes on the floor until they were the same length as the running boards (11 boxes or 22 gallons). We besides bought a plastic painter drib cloth 3 mil thickness and some phosphoric acid (Jasco Prep and Prime solution). Full price for supplies was under $50. Nosotros attached the boxes with duct tape into a line. And then using a box cutter, nosotros slit the inside partitions of the boxes (with a box cutter) and folded them over using duct tape to hold them downward. This left a little of the side of the box for support. |  |
| Finally the painter drop cloth was placed in the new trough, (and folded into a double layer) and wrapped in duct tape. The running board was placed in the box, and and so the box was filled with white vinegar. |  | The metal was soaked overnight. The adjacent mean solar day it still looked rusty. |  |
| However, a quick spray with a ability washer took all the rust and light paint off the running board, including inside channels and hard crimped corners. |  | We brushed on, and paper-toweled off a coating of phosphoric acid to inhibit rust on the newly bared surface and after letting information technology dry out overnight. Information technology looked make new and set to prime. Nosotros were also able to soak and derust numerous smaller parts. Somewhen we poked a leak in the plastic. I was able to drain some of the remaining vinegar into 5 gallon buckets and we hosed downwardly the rest. |
Alan Christensen
"AusTex"
Bolter # 5686
Austin, Texas
We were stumped at how this might work on rust so we asked the Stovebolt's resident Cider 'n Vinegar homo ~~ Clasp!
"I've never heard of that myself, but I'd give it a effort. Vinegar is an organic acid - very corrosive. It might be that it attacks the surface enough to destroy the bail the rust has and allows the powerwash to blow it away. Phosphoric acid itself is a rust remover, and I would recall using information technology later would exist critical to preventing re-rusting. Another thought is that vinegar attacks zinc aggressively, which means NO galvanized parts, or brass (which has zinc in it). Acerb acrid (vinegar) is the thing that's used to etch new galvanized things to enable them to hold paint
Most places I've establish all recommend the electrolytic method over vinegar, as vinegar actually attacks the underlying steel likewise equally the fe oxide (rust). This means it must not be left in the solution longer than necessary, and vigorously rinsed immediately, paying attention to joints and hidden areas where it volition be hard to flush information technology all out. Likewise 1 place specifies the process works all-time if the vinegar is heated, which creates stiff fumes that volition irritate
With these cautions pointed out, this is ane more than method to add to the arsenal to destroy rust!
Proceed in listen, likewise that vinegar is *extremely* damaging to concrete because it eats the lime content, and etches the surface speedily. ( I tipped over a 50 gallon butt in the back warehouse ....... major disaster. ) Also, vinegar is used as a weed killer! (Hmmm ... some deadly stuff there ... but it'southward also got some good stuff, fifty-fifty salubrious to drink ~~ Editor.)
Exist sure to check out our extensive Forums discussions -- from General Truck talk, Electric Bay, Big Bolts, Panels and Burbs, Engine and Driveline, Paint and Trunk, Interiors, Tool Breast -- The Stovebolt Collective can help in your quest and walk you through the mire and magic of working with old iron. ~~ Editor .
five. April 2006
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