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Rust question

Discussion in '4th Gen 4Runners (2003-2009)' started by Samhammy, Feb 11, 2024.

  1. Feb 11, 2024 at 9:19 AM
    #1
    Samhammy

    Samhammy [OP] New Member

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  2. Feb 11, 2024 at 1:20 PM
    #2
    djwantke

    djwantke New Member

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    Maple Ridge, British Columbia
    Vehicle:
    2016 4Runner Trail Premium
    Bought brand new 2016 After May 2021: -Approx 3" lift/level: Bilstein 5100's, OME 2884 590lb 3" front lift springs, SPC UCA's, ICON 158506 2" lift rear coils, diff drop -Mickey Thompson Baja ATZ LT285/70R17 Load E -Mickey Thompson Sidebiter ll 17x9, 0 offset, 5 backspace -Pro Comp black spline lugs ^installed by 4WheelParts^ -New brakes and rotors by brake shop -4-piece ARB skid kit -Smittybilt 2" nerf steps -MBRP black exhaust tip, chopped OEM -Drivers side OEM FJ oh shit handle -All blacked out emblems -Blacked out roof rails -4x WeatherTech window rain guards -OEM custom rear mud flap deletes -KICK BACK MUD FLAPS 12" WIDE - BLACK TOP AND BLACK WEIGHT -FRAM EXTRA GUARD CA10835 engine air filter -1797 LED tricolor fog bulbs Yellow 3000K White 6000K Blue 15000K 28W 4000LM -Armour paint lower rear bumper -Front bumper high stage high clearance cut -Fenders cut straight across, pink reservoir sprayed black -4Runner Lifestyle sequential fog fangs -4Runner Lifestyle smoked taillight decals -Pedal Commander -Rear passenger cargo mounted 120v truck tire pump -4x Spidertrax 1.25" black aluminum wheel spacers -Yota Twins Paracord Hatch Strap sand camo -Teton Workshop hard anodized matte black aluminum shift knob -Ditch flood lights 4 LED 20w 1400lm w/ OEM hood mounts on OEM style dash switch -Backup flood lights under bumper 6 LED 18w 1500lm on OEM style dash switch -Body Mount Chop; cut, weld, paint -Fender mount chop, re-weld, paint -Fender Liner cut behind wheel (I cut liner in front of wheel clean off at top of viper cut) -Wheel well firewall hammering, painting ^done by Arc One Industries^ -valance cap trim -Agency6 Black Shackle Block 2" US Certified 6061 T6 CNC machined aluminum -DRT fab universal hitch skid -ACDelco inner tie rods, outer tie rods, bellows -Full Dr. KDSS switch kit -March 31 Behind grille 13-1/4" 32 LED light bar + wide-angle, eagle-eye lens 6000lm on OEM style dash switch -RAA Powder coated steel roof rack cargo basket, 1" side rails, 64" x 39" x 6", 250lb limit -roof gas can, water can, shovel -PEAKTOW PTT0063 Hitch Mount Cargo Carrier 51-1/2 x 17-1/2 x 4 inches 500 lbs. Capacity (trips only) -July/2023: purchased first needed SPC balljoint replacement kit - newly released, upgraded non-zerk sealed joints 25002 -July 15/2023: The Original Universal EZ Flares, 1". All four corners -Dec. 2023: removed bumper cover and crash bar, drilled frame, installed Apex Overland KDSS Recovery Points -Jan. 2024: SPC balljoint replacement kit - upgraded non-zerk sealed joint design 25002 -Feb. 3/ 2024: 4x KC Wire Hiders, for roof rack lighting Feb. 13/2024: New ditch lights, on new Rago Fabrication Extension brackets. 3inch Quad Row Amber Pods from LED-Club. 32W 3200Lm 16-LED Spot Beam. Replacing 3inch EVERGEAR clear lens ditch light pods w/ yellow lamix-x In progress: 4th, 5th, and 6th set of off road lights Electrical components and wiring purchased, not started -roof rack scene lighting - EVERGEAR ea. 1,350 lumens, 30w, 3-¾" round floods. Custom, side mounted w/ galvanized flat bar And -roof rack upper ditch lights - 3inch Quad Row Amber Pods from LED-Club. 32W 3200Lm 16-LED Spot Beam. Bar clamp mounted to front corners And -roof rack reverse amber pods / secondary hazard lights. 20W 2000Lm 2-LED Spot Beam. Bar clamp mounted to rear side And -roof rack F1 smoked chase light w/ lighting effects. Custom bolted to rear side -POR15 rust proofing line-up, 3-step process PAUSED until 70⁰ weather Bought, in the garage queue: -BlueFire 6-Circuit Fuse Block with LED Indicator & Protection Cover -Blue Sea Systems 100A Circuit Breaker w/ reset lever -Rust prevention •New can POR15, 2x Black Fluid Film, long spray nozzle attachments, 2x PB Surface Shield, 1x Chainwax •partially used POR15 Degreaser, Metal Prep Wanted - PerryParts or Wheelers bump stops, self fabricated limb risers (seasonal, removable), 1" body lift, powder coated center winch bumper w/ large bar (got no tss), rear steel bumper w/ tire carrier for an LT285 Kumho on steely, sliders, bolt on cat shields
    Hey OP
    Ur right. That looks like a cherry frame.
    Very little rust. It's been coated properly if that's in the NE, doesn't look like a nice coating that stayed wet like Woolwax tho. Also doesn't look like it's slathered in FF or PB Surface Shield neither, maybe it's some rust paint.
    Hmmm:spy:
     
  3. Feb 11, 2024 at 1:22 PM
    #3
    djwantke

    djwantke New Member

    Joined:
    Jan 31, 2021
    Member:
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    Messages:
    3,165
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    Maple Ridge, British Columbia
    Vehicle:
    2016 4Runner Trail Premium
    Bought brand new 2016 After May 2021: -Approx 3" lift/level: Bilstein 5100's, OME 2884 590lb 3" front lift springs, SPC UCA's, ICON 158506 2" lift rear coils, diff drop -Mickey Thompson Baja ATZ LT285/70R17 Load E -Mickey Thompson Sidebiter ll 17x9, 0 offset, 5 backspace -Pro Comp black spline lugs ^installed by 4WheelParts^ -New brakes and rotors by brake shop -4-piece ARB skid kit -Smittybilt 2" nerf steps -MBRP black exhaust tip, chopped OEM -Drivers side OEM FJ oh shit handle -All blacked out emblems -Blacked out roof rails -4x WeatherTech window rain guards -OEM custom rear mud flap deletes -KICK BACK MUD FLAPS 12" WIDE - BLACK TOP AND BLACK WEIGHT -FRAM EXTRA GUARD CA10835 engine air filter -1797 LED tricolor fog bulbs Yellow 3000K White 6000K Blue 15000K 28W 4000LM -Armour paint lower rear bumper -Front bumper high stage high clearance cut -Fenders cut straight across, pink reservoir sprayed black -4Runner Lifestyle sequential fog fangs -4Runner Lifestyle smoked taillight decals -Pedal Commander -Rear passenger cargo mounted 120v truck tire pump -4x Spidertrax 1.25" black aluminum wheel spacers -Yota Twins Paracord Hatch Strap sand camo -Teton Workshop hard anodized matte black aluminum shift knob -Ditch flood lights 4 LED 20w 1400lm w/ OEM hood mounts on OEM style dash switch -Backup flood lights under bumper 6 LED 18w 1500lm on OEM style dash switch -Body Mount Chop; cut, weld, paint -Fender mount chop, re-weld, paint -Fender Liner cut behind wheel (I cut liner in front of wheel clean off at top of viper cut) -Wheel well firewall hammering, painting ^done by Arc One Industries^ -valance cap trim -Agency6 Black Shackle Block 2" US Certified 6061 T6 CNC machined aluminum -DRT fab universal hitch skid -ACDelco inner tie rods, outer tie rods, bellows -Full Dr. KDSS switch kit -March 31 Behind grille 13-1/4" 32 LED light bar + wide-angle, eagle-eye lens 6000lm on OEM style dash switch -RAA Powder coated steel roof rack cargo basket, 1" side rails, 64" x 39" x 6", 250lb limit -roof gas can, water can, shovel -PEAKTOW PTT0063 Hitch Mount Cargo Carrier 51-1/2 x 17-1/2 x 4 inches 500 lbs. Capacity (trips only) -July/2023: purchased first needed SPC balljoint replacement kit - newly released, upgraded non-zerk sealed joints 25002 -July 15/2023: The Original Universal EZ Flares, 1". All four corners -Dec. 2023: removed bumper cover and crash bar, drilled frame, installed Apex Overland KDSS Recovery Points -Jan. 2024: SPC balljoint replacement kit - upgraded non-zerk sealed joint design 25002 -Feb. 3/ 2024: 4x KC Wire Hiders, for roof rack lighting Feb. 13/2024: New ditch lights, on new Rago Fabrication Extension brackets. 3inch Quad Row Amber Pods from LED-Club. 32W 3200Lm 16-LED Spot Beam. Replacing 3inch EVERGEAR clear lens ditch light pods w/ yellow lamix-x In progress: 4th, 5th, and 6th set of off road lights Electrical components and wiring purchased, not started -roof rack scene lighting - EVERGEAR ea. 1,350 lumens, 30w, 3-¾" round floods. Custom, side mounted w/ galvanized flat bar And -roof rack upper ditch lights - 3inch Quad Row Amber Pods from LED-Club. 32W 3200Lm 16-LED Spot Beam. Bar clamp mounted to front corners And -roof rack reverse amber pods / secondary hazard lights. 20W 2000Lm 2-LED Spot Beam. Bar clamp mounted to rear side And -roof rack F1 smoked chase light w/ lighting effects. Custom bolted to rear side -POR15 rust proofing line-up, 3-step process PAUSED until 70⁰ weather Bought, in the garage queue: -BlueFire 6-Circuit Fuse Block with LED Indicator & Protection Cover -Blue Sea Systems 100A Circuit Breaker w/ reset lever -Rust prevention •New can POR15, 2x Black Fluid Film, long spray nozzle attachments, 2x PB Surface Shield, 1x Chainwax •partially used POR15 Degreaser, Metal Prep Wanted - PerryParts or Wheelers bump stops, self fabricated limb risers (seasonal, removable), 1" body lift, powder coated center winch bumper w/ large bar (got no tss), rear steel bumper w/ tire carrier for an LT285 Kumho on steely, sliders, bolt on cat shields
    You can see a little rust starting in classic areas like weld seams. Rust often starts coming back through from within even after prevention.
    Or
    I'm completely wrong and someone will own me
     
  4. Feb 11, 2024 at 2:21 PM
    #4
    Bluesky 07

    Bluesky 07 Not a New Member

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    Northern Georgia
    Vehicle:
    Silver ‘07 Sport V6 4WD @ 258K miles
    “Deep” Satoshi grille | X-REAS delete / TRD Offroad front springs & Bilstein 4600 shocks + FJC rear springs | Weathertech front & rear mats | Tinted front windows | Floor Armor cargo mat | TPMS bypass | LED interior, tag, & reverse lights | BlueSea Systems console USB power ports | Gentex 453 autodim mirror w/Homelink & compass | Kenwood DDX373BT HU + Audiovox backup camera | Fumoto F-103S | Bazooka tube subwoofer | Kenwood speakers & KAC-M1804 amp | Philips H9/9011 headlight bulbs | Rexing V1 Gen3 dash cam | Map light mod | Breather mod | Off-road Nav Setup | Power Stop Z36 brakes | OBD Fusion diagnostics
    I recommend investing $24 on this endoscope camera. Put it through holes in the frame and inspect the inside b/c that's where the rust starts then eats through to the outside. Here's a test pic looking inside my frame. I bought one to watch for rust and it has numerous other uses too.

    My '07 was only ever owned as far north as NC as far as I know but the frame is exceptionally clean. I only bring that up b/c it's possible the corrosion cause was rectified as time went on, same as the V6 head gasket issues are, IIRC, primarily found in the '03-05 model years. The original issue was inadequate corrosion protection at the factory.

    [​IMG]
     
    Trail Runnah likes this.
  5. Feb 11, 2024 at 2:41 PM
    #5
    Photon_Chaser

    Photon_Chaser 43724 and counting…

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    Central Coast
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    I've said this before, bolt/fasteners don't lie when it comes to corrosion...also, the aluminum transfer case housing shows signs of surface pitting, indicative of heavy oxidation. Not saying this is a bad thing (I've seen much worse examples) just a good example of the environment this part has been exposed to over the stated mileage.


    corrosion.jpg

    On my build thread (that I just started today) I posted pics of my 3rd gen's front axles having some +380,000 miles put on it and living on the west coast with its moderate year round temps and marine environment (which is highly conducive to corrosion.) I have not done any kind of rust preventative coatings nor post-treatments of any kind...just an example.

    That said, the frame looks to be in great shape, fasteners are typical condition given the circumstances. What I would want to carefully *inspect* would be the backsides of the rocker panels and wheel well areas since those are prone to developing 'rashes'.
     

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