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Undercoating

Discussion in '3rd Gen. Tacomas (2016-2023)' started by BHC, Jul 5, 2022.

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  1. Jul 5, 2022 at 4:21 AM
    #1
    BHC

    #1
    BHC [OP] Well-Known Member

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    Has anyone done it to there trucks?
     
    BHC, Jul 5, 2022
    #1
  2. Jul 5, 2022 at 4:24 AM
    #2
    TommyBoy51

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    TommyBoy51 Well-Known Member

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    Looking into fluid film. Always sprayed old motor oil. Not the cleanest option but worked.
     
    TommyBoy51, Jul 5, 2022
    #2
  3. Jul 5, 2022 at 4:40 AM
    #3
    Clearwater Bill

    #3
    Clearwater Bill Never answer an anonymous letter

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    Largo Florida
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    A few OE parts from fancy trucks
    Fluid film, wool wax, Cosmoline are good options.

    Traditional rubberized under coating can actually make things worse.
     
    Clearwater Bill, Jul 5, 2022
    #3
    Fitz235, Skydvrr, Aqualoon and 1 other person like this.
  4. Jul 5, 2022 at 5:01 AM
    #4
    Coldrider

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    Coldrider Well-Known Member

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    Fluid film, inexpensive peace of mind for those of us in the rust belt.
     
    Coldrider, Jul 5, 2022
    #4
  5. Jul 5, 2022 at 5:16 AM
    #5
    zoo truck

    #5
    zoo truck Well-Known Member

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    Cosmoline has worked well for me being in the salt belt of new england. It doesn't cost much more than fluid flim, and it doesn't need to be reapplied every year or sooner if you live in a wet area like you'd have to do with fluid flim. Both work well. It just comes down where you live, and how often your willing to repeat the job.
    One recommendation if using cosmoline is to coat the chassis when its still brand new.
     
    zoo truck, Jul 5, 2022
    #5
  6. Jul 5, 2022 at 5:17 AM
    #6
    Vmax540

    #6
    Vmax540 Well-Known Member

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    Wow...
     
    Vmax540, Jul 5, 2022
    #6
    Drippy4x4 and Road_Warrior like this.
  7. Jul 5, 2022 at 5:21 AM
    #7
    Vmax540

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    Vmax540 Well-Known Member

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    Vmax540, Jul 5, 2022
    #7
  8. Jul 5, 2022 at 5:29 AM
    #8
    TexasWhiteIce

    #8
    TexasWhiteIce Well-Known Member

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    Ever get any on your breaks?
     
    TexasWhiteIce, Jul 5, 2022
    #8
  9. Jul 5, 2022 at 5:36 AM
    #9
    rnish

    #9
    rnish Well-Known Member

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    ‘Yes. Solvent based.
     
    rnish, Jul 5, 2022
    #9
  10. Jul 5, 2022 at 5:41 AM
    #10
    Vmax540

    #10
    Vmax540 Well-Known Member

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    Lunch ?
    :)
     
    Vmax540, Jul 5, 2022
    #10
    UnloadedRex, zoo truck and TexasWhiteIce[QUOTED] like this.
  11. Jul 5, 2022 at 5:55 AM
    #11
    RustyGreen

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    RustyGreen A breaker point guy in a Bluetooth world

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    ^^^ +1 for Cosmoline for all of the above reasons ^^^

    https://www.cosmolinedirect.com/cosmoline-rp-342-heavy-spray-military-grade-rust-preventive/

    rp-342-heavy-1can__79397.jpg
     
    RustyGreen, Jul 5, 2022
    #11
    Speedbird, japjoe7 and zoo truck[QUOTED] like this.
  12. Jul 5, 2022 at 6:15 AM
    #12
    TexasWhiteIce

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    TexasWhiteIce Well-Known Member

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    TexasWhiteIce, Jul 5, 2022
    #12
  13. Jul 5, 2022 at 6:16 AM
    #13
    jmneill

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    jmneill Well-Known Member

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    + 3 for cosmoline.
     
    jmneill, Jul 5, 2022
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    Speedbird, RustyGreen and zoo truck like this.
  14. Jul 5, 2022 at 6:42 AM
    #14
    TommyBoy51

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    TommyBoy51 Well-Known Member

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    No. But the exhaust does smoke
     
    TommyBoy51, Jul 5, 2022
    #14
  15. Jul 5, 2022 at 6:50 AM
    #15
    japjoe7

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    japjoe7 Well-Known Member

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    japjoe7, Jul 5, 2022
    #15
    RustyGreen[QUOTED] likes this.
  16. Jul 5, 2022 at 6:53 AM
    #16
    Nirango kid

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    Nirango kid Well-Known Member

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    I have the Krown treatment done once a year as I live in the snow/salt country. Not cheap but efficient.
     
    Nirango kid, Jul 5, 2022
    #16
  17. Jul 5, 2022 at 7:26 AM
    #17
    mabepossibly

    #17
    mabepossibly I know enough to make an ass of myself

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    Fluid film every fall. Power wash it well. Spray anything rusty looking with black rust reformer paint. Them 3 cans of FF.
     
    mabepossibly, Jul 5, 2022
    #17
  18. Jul 5, 2022 at 7:34 AM
    #18
    Speedbird

    #18
    Speedbird Well-Known Member

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    I have used these 3 with good success. Liked the ACF more because it was less smelly and thin so it sprayed on and into the cracks easy, and just left a nice light coat... But it also washed away more quickly... and it is a lot more $$$ than the others... Really, I just hit the hot spots every oil change or tire rotation or whatever... Seems to be working

    The Corrosion-X was less $ and thicker for sure... Especially the HD stuff, I used that on the vertical surfaces.

    FWIW:Next go around I plan on using the Cosmoline (black). I have a good bit of experience with that stuff in other applications. That stuff last for years, no question.

    Funny Story, I serviced my truck to include hitting the front underside with Corrosion-X, the next day I took it in for annual inspection. Guy calls me back into the garage, says he is going to have to fail me for a power steering leak, but that he cannot find the leak and I can tell he's getting ready to pitch me some big numbers to start throwing parts at it.. I explained what I did, he was not going to sign off until I argued, he cannot fail me for a leak if he cannot find the leak and the PS level was still between the marks. Begrudgedly he did.

    CorrosionX Corrosion Technologies 90102 16 oz. aerosol | Multi-Purpose Penetrant, Lubricant and Rust Preventative | Non-Toxic Industrial Strength | Cleans Lubricates and Protects

    $27 CorrosionX Heavy Duty Anti Rust Spray, 12oz Aerosol, Dripless Self-Healing Corrosion Inhibitor with Waterproof Barrier for Marine, Agricultural & Industrial Equipment in Harsh, Saltwater Environments
    Corrosion-X 90104 Heavy-Duty, 12-Ounce, Aerosol

    $25 ACF-50 Anti-Corrosion Lubricant Compound - 13 oz Aerosol - MUST SHIP GROUND!
    ACF-50 Anti-Corrosion Lubricant Compound - 13 oz Aerosol - MUST SHIP GROUND!
     
    Speedbird, Jul 5, 2022
    #18
  19. Jul 5, 2022 at 7:35 AM
    #19
    Nirango kid

    #19
    Nirango kid Well-Known Member

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    Krown is very thin and goes in where other wont. And it does not drip like the oil applications. I have tried many over the years and this one is the best to me. Just saying
     
    Nirango kid, Jul 5, 2022
    #19
  20. Jul 5, 2022 at 7:37 AM
    #20
    Aqualoon

    #20
    Aqualoon More stickers!

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    I woolwax twice a year, spring and fall.
     
    Aqualoon, Jul 5, 2022
    #20
    usmc2msu likes this.
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