RUST right front wheel well on fire wall (1 Viewer)

lt403

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Aug 10, 2003
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389
Location
miami, fl
I have some rust I need to take care of before I head north to Montana.
I'm worried about digging into it and going through the fire wall.
Any suggestions on a "cover up" that will keep all the snow and road salts out till I get back.
thanks
 

Bripars40

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Aug 21, 2016
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Oklahoma
Depending on how much rust you could coat it with bar and chain oil to slow down the process and create a barrier against the salt.
 
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Nov 9, 2012
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Olathe, KS, USA
Buy a piece of tin and pop-rivet it over it, but place "seam Sealer" around the edges before installing as well as over the edges after it is installed. Then paint it.
 
Joined
Jul 7, 2016
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Location
Twin Ports of Superior, WI and Duluth, MN
Pics would help. Depending how bad it is, you could just wire wheel the rust down a bit and coat it with POR15 and then caulk any holes or even put a piece of tape or shoot a little expanding foam over them if it really is just temporary. The thing you have going for you in Florida(if that is where the truck is) is better body work conditions. It's bound to be too cold in Montana to do anything until spring. The POR15 will set up well in higher temps and humidity but it won't in cold temps with low humidity.
 
Joined
Feb 7, 2009
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2,504
Fiberglass patch over the rust after you treat it the fiberglass will encapsulate it cutting off the oxygen not letting it get worse. I would not cover it with tin that will make it grow. Or cut it out weld in new patch treat prime it. Depending how bad it is you could also hit with die grinder with 3m pad on it if it's just surface then clean treat and prime
 
Joined
Apr 14, 2016
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Location
Oregon
I've had good results with Rust-Oleum Rust Reformer. I wire-brush any loose rust scale, then spray it on. Recoat with regular Rust-Oleum after 24 hours for additional protection. I did the interior ceiling of an old pickup several years ago (no A/C to remove winter moisture, leading to rust from condensation) and it's still looking good.
 

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