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Undercoating and suspension replacement

Discussion in '1st Gen. Tacomas (1995-2004)' started by Carboncartel, Aug 11, 2019.

  1. Aug 19, 2019 at 5:42 PM
    #21
    Carboncartel

    Carboncartel [OP] Member

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    Rear suspension done!
    33A4ED63-AEB5-4E9D-8E38-039EF756EA76.jpg
    95AE83B2-33AA-4E5E-9107-804E0A72BBCB.jpg
    ECA6D89A-00F1-4170-9C12-95CD24918C1B.jpg
     
    Xbeaus, Taco critter and GQ7227 like this.
  2. Aug 20, 2019 at 7:40 AM
    #22
    GQ7227

    GQ7227 NYY 100-55

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    near a cornfield, east of omaha
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    '97 3.4 MT SR5 129k ?!? >>9467>> ?!?
    borla catBack custom Line-X PC drums, rope hooks dammit ... pending (dashCAM)
    more progress!, looks like you got a bigger bolt for the leafs
    did you by chance get any pics taken of the surface after the wire wheel/grinder and before the undercoat /primer was applied?

    were you able to get that O2 hookup fixed that got chewed up

    and just one newb ? ... that piece that the U bolts attach to on the axle, is that attached to the axle or is it a separate piece? ... not sure what it is called off hand
     
    Carboncartel [OP] likes this.
  3. Aug 20, 2019 at 1:01 PM
    #23
    jbrandt

    jbrandt Well-Known Member

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    King ext travel coils Total Chaos UCAs Sticker mod
    As others elluded to, the inside of your frame is pretty important, if anything, MORE important than the outside. These things rust from the inside-out, and since you can't see the inside (unless you have one of those fiber optic cameras), the rust tends to get away from you in there.

    The problem with under coating or the bed liner type stuff is that unless you get perfect coverage (and since the frame is boxed, it's nearly impossible to get perfect coverage), water/salt will still work its way into the frame and create rust that you can't see. That's why people like the fluid film stuff; because it doesn't actually dry or harden.
     
  4. Aug 20, 2019 at 1:15 PM
    #24
    mhoadley

    mhoadley Well-Known Member

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    Welcome to Tw! Also from ct!

    Truck is looking great! Keep it up!
     
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  5. Aug 20, 2019 at 1:39 PM
    #25
    Running Man

    Running Man flat faced submarine and 4 runner

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    nothing on the runner yet
    hit the frame with a chipping hammer i see areas where the rust got underneath where you grinded
     
    Carboncartel [OP] likes this.
  6. Aug 20, 2019 at 1:45 PM
    #26
    Running Man

    Running Man flat faced submarine and 4 runner

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    nothing on the runner yet
    20190820_154529.jpg anything that looks like that is rusty underneath

    yes you have so much rust theres rust under your rust

    honestly you made a valiant effort but feel it was in vein due to the shape the frame is in

    i hope you didnt pay more than 4/5k because thats how much 1st gens pop up for all the time down here in rust free tx
     
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  7. Aug 20, 2019 at 3:13 PM
    #27
    GQ7227

    GQ7227 NYY 100-55

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    near a cornfield, east of omaha
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    '97 3.4 MT SR5 129k ?!? >>9467>> ?!?
    borla catBack custom Line-X PC drums, rope hooks dammit ... pending (dashCAM)
    @Running Man, it snows quite a bit in CT i think it ices bad too?
    Taco's are total fun in the slushy winter slop, ask me how i know!
    i represent my locale very well i think :cookiemonster:

    we must root for this taco survival, the only bad deal is its not an oldschool classic like ours or yours was :(
     
  8. Aug 20, 2019 at 3:14 PM
    #28
    GQ7227

    GQ7227 NYY 100-55

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    near a cornfield, east of omaha
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    '97 3.4 MT SR5 129k ?!? >>9467>> ?!?
    borla catBack custom Line-X PC drums, rope hooks dammit ... pending (dashCAM)
    so this inside of frame paint or coating on the innards is defective?
    i still am trying to figure out the process of decay
     
  9. Aug 20, 2019 at 4:00 PM
    #29
    Carboncartel

    Carboncartel [OP] Member

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  10. Aug 20, 2019 at 4:09 PM
    #30
    Carboncartel

    Carboncartel [OP] Member

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    I’ve been banging out as much as I can but there certainly is going to be some spots I missed. I got an amazingly good deal which is why I’m fine with spending a bit of money in upgrades. I enjoy working on cars and motorcycles as a hobby so my time is not completely wasted! If I can squeeze out a few more years I’ll be happy :) I’m hoping to catch a good deal on a totaled/parts first gen that had their frame replaced and swap it in. I like the first gens so much more than the newer tacos...
     
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  11. Aug 20, 2019 at 4:12 PM
    #31
    Running Man

    Running Man flat faced submarine and 4 runner

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    nothing on the runner yet
    i drove in the rain a few times i know how fun that is
     
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  12. Aug 20, 2019 at 4:15 PM
    #32
    Carboncartel

    Carboncartel [OP] Member

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    Yep, Il post some more pics of the before and after. And I figured out the O2 connection!

    The plate is separate from the axle and held on by U bolts and shock.
     
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  13. Aug 20, 2019 at 4:16 PM
    #33
    Carboncartel

    Carboncartel [OP] Member

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    Thanks! HMU for a beer if you go through Chester
     
  14. Aug 20, 2019 at 7:47 PM
    #34
    jbrandt

    jbrandt Well-Known Member

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    Pretty sure we've talked about this before. I'm not sure "defective" is the right word, but yeah, when these frames, and MOST other frames are exposed to road salts, the frames WILL rust. All it takes is one chip in the paint, one slight imperfection, etc... and salty water will get in there and rust.

    The problem is that our frames are boxed for a good portion of the length, so water can get in, but not OUT easily.
     
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  15. Aug 20, 2019 at 7:52 PM
    #35
    Running Man

    Running Man flat faced submarine and 4 runner

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    nothing on the runner yet
    ive flushed my frame for hours and there's still sand in it sucks
     
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  16. Aug 20, 2019 at 8:06 PM
    #36
    GQ7227

    GQ7227 NYY 100-55

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    near a cornfield, east of omaha
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    '97 3.4 MT SR5 129k ?!? >>9467>> ?!?
    borla catBack custom Line-X PC drums, rope hooks dammit ... pending (dashCAM)
    thanks, i was curious if the paint is not chipped then it 'should' seal and no liquid gets in?
    how do insides of the frame get chipped up?

    i can understand the outside from kicking up gravel and small rocks, larger if you off road possibly
    maybe abrasive sand getting inside and just the possible shifting around while in motion or gravity on a hill?

    the frames get rusty crusty with NO salts I have seen recently
     
    Running Man likes this.
  17. Aug 20, 2019 at 8:07 PM
    #37
    Running Man

    Running Man flat faced submarine and 4 runner

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    nothing on the runner yet
    they rust from the inside out we dont know why it just happens
     
  18. Aug 20, 2019 at 8:09 PM
    #38
    GQ7227

    GQ7227 NYY 100-55

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    near a cornfield, east of omaha
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    '97 3.4 MT SR5 129k ?!? >>9467>> ?!?
    borla catBack custom Line-X PC drums, rope hooks dammit ... pending (dashCAM)
    touché!
     
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  19. Aug 20, 2019 at 8:52 PM
    #39
    jbrandt

    jbrandt Well-Known Member

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    (road) salt just accelerates the issue. So does coastal salt air/moisture.

    Paint is not a perfectly impervious membrane either. So salts and water can eat away at the paint and find little spots to get in.

    But as Running Man said, it just kinda happens.

    Maybe they don't see as much snow in Japan as they do here, or maybe they don't salt the roads there. They also don't tend to keep older cars there so it's probably just not something they factored in to the engineering their vehicles. This is all speculation, of course...

    Toyota basically just under estimated how much protection the frames would need for the rust belt states. Sure, they could have powder coated the entire frames, then dipped them in a vat of bed liner stuff, but that would have added pretty significant cost and weight.
     
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  20. Aug 20, 2019 at 8:55 PM
    #40
    jbrandt

    jbrandt Well-Known Member

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    King ext travel coils Total Chaos UCAs Sticker mod
    I'm pretty sure there is still sand in my old 4Runner (where ever it may be) from a trip to Pismo I took back in like '97.

    400 years from now archeologists will find my current 4Runner, and will still find remnants of the glitter my daughter spilled in the back seat last year.
     
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