I noticed a lil bit a while back, and as I figured it has gotten worse. However, it seems to be getting worse at an alarming rate lol. I was wondering what my options were as far as stopping it or at very least slowing it down. It an 07 crew....and as you can see the cab corner behind the crew doors (both sides now). It's the only rust on the thing, and it sucks. I thought maybe I could get it down to steel and patch all affected areas as the most permanent repair? Not sure if there is such a thing as an "easy" fix.

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I think they sell cab corner reppacmennts for our generation. The crews rot out there bad. I have some surface on my floor pans. Gonna keep coating it. I hate salt.

 

Thanks, I figured some kind of entire replacement piece was the only real way to stop it stop it. Seems there are ways to band aid it at times, but it again is just a band aid. I dunno if this was happening before I even bought it and dealer just made it look "right" or not. Or if its due to build up of dirt or water behind the corner and it just rusts through due to bad design...

I travel dirt roads maybe 10 of every 6k miles literally...I avoid them, lol. I grew up on them and always hated them, haha. So my truck is seldom dirty...but yea, this rust just came through unseen originally....then it was goin nuts like you see here. I have had the truck for about 40k, and it has 125k on it. Being in MI it sees a lot of salt too.

 

Bump for a question. If you buy the replacement pieces, is it just a matter of lining them up over the existing as a stencil basically....cut it out with w/e, weld these in and thin coat of filler to blend them in? Then of course repainting the whole pillar? Do you have to sand down the rest of the pillar prior to painting, at least through the clear? I will probably tackle this in the spring is my guess. But probably get all the stuff I need in the mean time.


Now to find such a piece, lol

 

F1Fitty, this is a pretty big task if you want to do it correctly. First you have to fix the cab corner (yes, they do sell the cab corners. I bought one, I'll try to find the site for you tonight) and then you have to fix the problem. If you run your hand along the inside of your cab corner (between the bed and cab) you will notice an opening that lets water in. This allows water to enter into the cab corner and causes it them to rust from the inside out. The water has no place to go other than evaporate or rust through. This will have to be sealed off if you want to prevent the cab corners from rusting through again, which means pulling the bed off to bed that weld that gap. There are other threads on this, a quick search should find them.