Rust

I know mine rusted because of last winter, before that the guy I bought it off of garage kept it since new.
 
Got a few bubbles attacking my bed wheel wells, since it's a work truck I'll probably gob grease all over it and hope for the best. The 12 valve oil leaks just couldn't get high enough on the body to save her.

The last two trucks I bought from the southwest for a reason, things down there just don't rust, no water, no salt.
 
Don't know how you car guys live back there. I'd move in a heartbeat. I bought a Jeep that was in Indiana for just 2 years and there is more rust under it then anything I have owned.
 
If thats through the paint its through the metal from behind youll have to cut it out and weld up a patch =(
I just did up a lower door skin it came out good but damn it was more work than I wanted to do.
If you live in the rust belt just start spraying fluid film under the truck once a year before winter. inside doors, rockers, cab corners, fenders, undercarriage.
yeah it sucks living up here. Not just the weather either.
 
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Rust is the DEVIL!

My father bought an 05 out of Texas with no rust at all. He religiously sprays this penetrating oil/ rust protection called Crown in his wheel wells. Takes the tail lights out to get over top of the rear wheel wells. Sometimes uses ATF and diesel fuel, but doesn't hang on quite as well. Well see how long his treatments last.
 
Cutting out rust and welding in patches will not last very long unless you are able to prime and paint it from the inside. An entire new panel (bedside, fender, door, etc..) is the only long term solution. When you weld a patch in you burn off the paint on the inside of the panel. If it rusted through the panel from the inside to begin with you are in for a treat with bare metal on the inside. I have done close to ten trucks repairing rust. Entirely new panels and seam sealer are your best friends.
 
Cutting out rust and welding in patches will not last very long unless you are able to prime and paint it from the inside. An entire new panel (bedside, fender, door, etc..) is the only long term solution. When you weld a patch in you burn off the paint on the inside of the panel. If it rusted through the panel from the inside to begin with you are in for a treat with bare metal on the inside. I have done close to ten trucks repairing rust. Entirely new panels and seam sealer are your best friends.


What do you do for rockers?
 
What do you do for rockers?

Cut the spot welds out with a spot weld cutter and replace from front fender back to the cab corner. A seam is inevitable on those. There is only one welded seam that is difficult to get to which is on the pillar behind the door. The rest is spot welded. Lots of seam sealer where the rocker and cab corner meet. The use the access holes of the rocker and cab corner to spray inner frame coating into it. Then seam seal anywhere water or salt could get in. This has worked extremely well so far on 4 2nd gen dodges. First one was 6 years ago. That truck was wrecked this spring and everything was still rust free at the seams.

Frame coating:

http://www.eastwood.com/internal-frame-coating-aerosol-black-14oz.html?fee=7&fep=50392&adpos=1o1&creative=61491489780&device=c&matchtype=&network=g&SRCCODE=GA220010&gclid=Cj0KEQjw1pWrBRDuv-rhstiX6KwBEiQA5V9ZoTH34iAesZEEB8KThr_oFrsP5sEiC-WgASMwcf1-bpUaAgHS8P8HAQ
 
zfaylor is right. Unless you have access to both sides of the panel to properly prep, paint, rust proof you will truly be amazed at how fast the rust will come back when patching in panels.

I disagree with noreaster to some extent. Problem is 99% of people just clean the body. You have to clean the undercarriage. I don't mean car washes that spray the undercarriage either. I thoroughly spray the undercarriage, even got attachments to change the direction of spray almost 90 degrees. Then I look under to verify things are rinsed. If thoroughly rinsed the salt is neutralized. Yes I will wash when the weather is still crap, and the roads are still covered. From a chemistry perspective I will improve the odds greatly, but only if willing to make sure you get clean water into the nooks. Only problem areas I have are doors with inadequate or no seam sealer on the inside of the pinch weld, which usually have minimal to no paint protection. Those will rust out no matter what you do.
 
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