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Thread: Quarter Panel Rust Help

  1. #1
    Join Date
    Aug 2018
    Posts
    3

    Default Quarter Panel Rust Help

    Hey everyone first time posting here. Have a 2008 Jeep Patriot 98,000 miles with some rust issues and need some advice on how I can go about repairing it. I was told that I would have to get the whole quarter panel replaced and that it would cost $1200 just for the part. No one wants to do the work because I get it to them its not worth it. That leaves me with two options leave the rust and let it consume my car or try to repair it myself. I do not care how the repair looks as long as it stops the rust from spreading so I can get another 5+ years from the car. I do not want to do some cheap fix but I also do not have the thousands needed to do the proper repair. That is why I am here. I want to pick your brain to see how I can best go around repairing this issue without spending thousands.

    You will see in the pictures that the rust is on both pieces of sheet metal making up the quarter panel. The picture labelled behind is a shot from behind that larger rust picture. There are also other internal pictures of the quarter panel showing that the rust is not that bad (from what I can see) from the inside. I wanted to cut the outer piece of sheet metal so I can get to the piece underneath. Then I was going to sand it all down and add Por15 (or something similar) to stop the rust. They sell aftermarket quarter panel pieces you can weld in so I was going to go that route. Would something like this work?

    If there is an even easier way to do it please let me know. I was also wondering if just sanding and cleaning it all and then adding Por15 and leaving it will work too. If I go this route though how can I cover the gap that has rusted away? Maybe that tape they use on trailer cuts?

    Thank you for any help. I am stuck on which way to go so any info will be greatly appreciate it.
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  2. #2
    Join Date
    Nov 2005
    Location
    Talladega, Alabama
    Posts
    519

    Default

    You mentioned you could buy aftermarket weld-in pieces. I couldn't find any.. You may have to find used parts. A nice rust-free quarter panel in Alabama could probably be had for 3-400 dollars. You could cut that up for patches/wheelhouse patches

    I don't have anything else to add other than "Thank goodness I live in the South"

  3. #3
    Join Date
    Aug 2018
    Posts
    3

    Default

    Thanks for the response SamG. I wish I lived in the south because this Michigan weather is eating my car! I also have the same issue on the other quarter pane, on the ends of both rocker panels, and some on the undercarriage. Normally I would say screw it because its an old Patriot but it has an unlimited mile manufacturers warranty until the year 2099. My subframe rusted and they just replaced it for $100. The car was also free so it cost me nothing to buy it. If I could only get the body to stop rusting then this car will be good for another 10+ years. When I try to explain it to body shops they laugh or dont really listen. They just see a 2008 patriot and talk about the cost and time and blow me off.

    I have uploaded a picture of the weld on piece.

    For the wheelhouse piece if I was to sand it and treat it with something like por15 to stop the rust can I just leave it as is or do I need to weld a new piece of metal to replace the lost metal? I figured since its on the edge about 2 inches and under the other piece of sheet metal I could just clean it up and treat it and then just weld the new quarter panel patch over it.

    Also in case I cannot repair it right away would it be a good idea to sand it all down and treat it with something to at least stop the rust until I can get to it later? How long do repairs like this usually last?
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  4. #4
    Join Date
    Nov 2005
    Posts
    38,068

    Default

    In most cases water/moisture is getting in either at the bottom seams or from the top and running down and laying against the metal causing this type of problem. If you replace these panels you want to try sealing the bottom real well and checking any upper areas that may allow rain water to get into that space behind the metal.

  5. #5
    Join Date
    Aug 2018
    Posts
    3

    Default

    Thanks Len I am glad you mentioned something about that because there is nothing really online about it but I noticed people have been complaining about rust here on the Patriot. There is a foam between the two pieces of metal. Is it possible that this foam soaked in water and helped cause the rust? I will check those places you mentioned too and seal everything up after.

  6. #6
    Join Date
    Nov 2005
    Posts
    38,068

    Default

    Quote Originally Posted by adiam13 View Post
    Thanks Len I am glad you mentioned something about that because there is nothing really online about it but I noticed people have been complaining about rust here on the Patriot. There is a foam between the two pieces of metal. Is it possible that this foam soaked in water and helped cause the rust? I will check those places you mentioned too and seal everything up after.
    The foam is normally a "closed cell" material that doesn't absorb water BUT water gets between the foam and the metal and doesn't evaporate so it's usually best to remove all the foam you can. We are now injecting wax into areas where we can't apply seam sealer after the metal is replaced.


    If you use this cavity wax be sure to get the applicator wand kit so that you can get it into hard to reach places.


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