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#1 |
Registered User
Join Date: Jan 2009
Location: Arkansas
Posts: 679
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Addressing some rust starting in my truck bed
Removed my bed mat a few weeks ago and found this. Cleaned the bed thoroughly and figured I'd hit it with a wire brush on my angle grinder, phosphoric acid, and then clean and paint with primer.
Anyone have any advice on a different/better way to stop this in its tracks? I've let Jeep floorboards get out of hand and don't want to do the same with the bed on this truck. Obviously, the seam is what I'm most concerned about stopping. |
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#2 |
Registered User
Join Date: Aug 2012
Location: Oklahoma City, OK
Posts: 2,544
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Re: Addressing some rust starting in my truck bed
Start soaking those front bed bolt nuts in penetrating oil. Several applications over several days. Easier to clean and restore the bolts and holes with the bolts out. Give the oil several days to work as you don't want to wallow out the square holes the bolts sit in. If by yourself, set a heavy weight on the bolt head to keep it from rising up and turning while removing the nuts.
I think there should be one or more drain slots on the front to let water out. Often plug up so the water just sits there. If water sits there for days, rust will happen. One option is to drill a hole at each corner. Make sure there isn't dust/dirt/salt trapped on the underside, especially on the back end. Doesn't look too bad. Might get lucky and it cleans up nice with some wire brushing. |
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#3 | |
Registered User
Join Date: Jan 2009
Location: Arkansas
Posts: 679
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Re: Addressing some rust starting in my truck bed
Quote:
I'm in Arkansas so no salt, just a 40+ year old truck that's sat outside since it came off the lot (Dad bought it new). |
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#4 |
Just here to tinker
![]() Join Date: Jun 2008
Location: Holland, MI
Posts: 3,692
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Re: Addressing some rust starting in my truck bed
I like to use a product called corroseal on surface rust. Just brush off the loose stuff, wipe down, and brush on. It goes on white and dries black. It inerts the rust and acts as a primer for topcoating ss well
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#5 |
Registered User
Join Date: Jan 2009
Location: Arkansas
Posts: 679
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Re: Addressing some rust starting in my truck bed
That's pretty much what I'd planned on using. Phosphoric acid will do the same.
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#6 |
Registered User
Join Date: Dec 2011
Location: WA
Posts: 370
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Re: Addressing some rust starting in my truck bed
Take an awl and if you can punch thu the metal then it needs to be cut out and replaced. There could be more rust behind from what you can see.
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#7 |
Registered User
Join Date: Mar 2017
Location: Barrie, Ontario
Posts: 16
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Re: Addressing some rust starting in my truck bed
This may sound insane, but I use coca cola to remove heavy rust from metal. Usually, I soak rust overnight and it removes all the rust. Since your bed metal is thin, I would keep an eye on it. You would have to tilt the bed and somehow
figure out how to keep the coke from draining out. This is the reason I don't drink coke. I have used it for years and it's also cheap. Just an idea. |
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#8 |
Registered User
Join Date: Mar 2017
Location: Barrie, Ontario
Posts: 16
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Re: Addressing some rust starting in my truck bed
If you want to try the coke, take heavy rusted nuts and bolts and put them in a plastic container and soak overnight. The rust should be gone and the metal clean.
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#9 |
Registered User
Join Date: Mar 2017
Location: Barrie, Ontario
Posts: 16
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Re: Addressing some rust starting in my truck bed
Another item I've used is molasses. You can check coke and molasses out on you tube.
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#10 |
Robert Olson Transport
![]() Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,288
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Re: Addressing some rust starting in my truck bed
having had many rusty trucks, i use a rust neutralizer then after that i coat with POR15 then a top coat . my local NAPA sells a permatex rust neutralizer that like mentioned above goes on white dries black If you use phosporic acid you have to make sure you neutralize that acid after its applied and clean the junk off otherwise it will rust again
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