SEASONAL RUST PROOFING using WD-40 only

[Asylvester]

Wow that is impressive! I’m up in NH and rust is truly always a battle. I originally sprayed my Tacoma frame with boiled linseed oil. It dries and leaves a clear semi-sticky film to prevent rust. I also sprayed cans of WD inside the frame too. I have switched over to fluid film which works well. My Taco now has 312k miles and frame is solid. I have discovered a new product called surface shield by PB Blaster sold at Home Depot and slightly cheaper than fluid film. It claims to last 2years. I’m always looking for good rust prevention. Your method clearly works! Thanks for sharing.

 

[sweaty]

Wow that is impressive! I’m up in NH and rust is truly always a battle. I originally sprayed my Tacoma frame with boiled linseed oil. It dries and leaves a clear semi-sticky film to prevent rust. I also sprayed cans of WD inside the frame too....

Sounds like you have a lot of experience with undercoating!

I have only used boiled linseed on my 4R for the last two years. I think ease of use is the key. A lot of people don't do it because of the tools and setup needed for it just gives them a headache.

I use a $1 walmart sprayer bottle to spray the linseed oil everywhere. It seems to have worked.

I was wondering, what happened when you switched between linseed oil, then WD40, then these other stuff? These other stuff won't touch the metal surface because linseed oil would have formed a layer. Just curious how that worked.

 

[Asylvester]

Using multiple rust proofing options never posed a problem. My problem now is that I missed treating the very front of the frame (not the crossmember but the two front rails. Now I have a few holes that need repair. I was quoted $500 to get fixed. I have heard members say frames rust from inside and they are not wrong. Looking through the hole I can see the rust formed inside when the outside looks fine. I pulled huge chunks of rust from the inside. I made sure not to miss this spot on our newer 2009 4Runner. Rust is the human equivalent of cancer and It really sucks. If Toyota made their frames from aluminum the truck would last 25 years because the motors and transmissions are solid.

 

[brillo_76]

Using multiple rust proofing options never posed a problem. My problem now is that I missed treating the very front of the frame (not the crossmember but the two front rails. Now I have a few holes that need repair. I was quoted $500 to get fixed. I have heard members say frames rust from inside and they are not wrong. Looking through the hole I can see the rust formed inside when the outside looks fine. I pulled huge chunks of rust from the inside. I made sure not to miss this spot on our newer 2009 4Runner. Rust is the human equivalent of cancer and It really sucks. If Toyota made their frames from aluminum the truck would last 25 years because the motors and transmissions are solid.

Aluminum oxidizes too... This is way it good to keep the inside of the frame coated with rusted inhibiting solutions as well.



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