Quote:
Originally Posted by Scutholiday
If rust proofing is a waste of money, what is the best way to prevent future rust in your opinion? Have a 2004 4Runner in Phillips, WI. Thanks!
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I'll start by saying I'm blessed - my 2007 Sport was virtually rust-free when I bought it in 2014, with only a few mild spots of surface rust. Since you're asking about protection, not repair, I'll assume yours is reasonably clean.
I work on my own truck so my strategy is to look for rust every time I'm close to anything that can corrode - frame, etc.
If there's rust, wire brush it and paint the area with Rust Reformer. In fact, I just wire-brushed and painted my skids the other day. (Splotches are from a defective nozzle; left it that way since nobody sees it anyway.)
If there's no rust, add or restore protection wherever possible. For example, people often have rusted bolts. I spray Fluid Film on the threads before replacing any bolts I remove then add more on and around the head of the bolt once it's back in. Did it when I installed my shocks for instance and when I dropped my skid plates.
Another good example is when you drop the spare to check the air pressure. Spray Fluid Film on a rag and run it up and down the hoist wire, then spray it into and onto every part of the mechanism you can see. Once you get in the habit, it's amazing how much of your vehicle you'll have protected just by taking an extra minute.
This approach, where there's no widespread coverage on large areas of the frame and so on, might not be enough in a northern environment but it's a start and a great way to avoid seized bolts and fasteners.