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Adding studded fuel tank straps to your non-TRD Off Road Tacoma

Discussion in '3rd Gen. Tacomas (2016+)' started by Nitori, May 9, 2017.

  1. May 9, 2017 at 5:29 PM
    #1
    Nitori

    Nitori [OP] Well-Known Member

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    Alrighty! Gonna do a quick step by step on this one, as there's been some interest in this particular mod. Here is how to add studded fuel tank straps and a tank skid to your non-TRD Off Road Tacoma! It's a bit of a dirty job, and you could use a helper, but it's entirely possible to do by yourself in about an hour.

    This guide and part numbers should work for both 3rd gens and later 2nd gens, as they share all the same part numbers!

    Straps:
    Spectra Premium ST323 OR Toyota 77601-04020 & 77602-04020

    Nuts:
    Toyota 90179-08241 OR a pile of nuts and washers that look about right

    TRD Off Road Tank Skid:
    77606-04020 (If you really want to pay $200+ at the dealer) OR hobo it up and see if someone will give you one for cheap/free. I got mine for $30 shipped from a lovely TW member.

    Tools:
    14mm socket
    12mm socket
    Jack stand or a ratchet strap

    First order of business is supporting the tank. I used jack stands to do this, but it's also probably doable to use a ratchet strap, in fact that might make it more easy. I put two jack stands close enough to "catch" about 1/4" of play when each strap comes off.

    Once everything is supported, loosen the 14mm bolt on your first strap and remove it. Also in this pic you'll notice my rear jack stand isn't actually holding anything up, so you can get away with just one.
    [​IMG]

    This 14mm bolt is long. Trust me, you are very happy that this is long. ;)
    [​IMG]

    Now undo the cotter pin that keeps the retaining pin held in on the other side of the strap, closer to the drive shaft. It's kinda a strange setup when you first look at it, you push down on the hooked part to pull the pin out. See my little pic for a visual aid. It should slip right off when you push it properly- if you need to use pliers or really yank you're probably doing it wrong.
    [​IMG]

    With the cotter pin out of the way, pull the retaining pin out and now you've released the strap. Match up which strap you've just pulled off to its new replacement.
    [​IMG]

    Take the rubber tank protector off of your old strap, and put it onto the new strap. Easy stuff, it just takes a little patience to slowly work the edges of the rubber around. Do a little bit at a time, working both sides over the strap.
    [​IMG]

    It was at this point I noticed that the gauge of steel on the Toyota OE is noticeably thicker than the aftermarket ones:
    [​IMG]

    My understanding is that aftermarket is stainless and OEM is painted mild steel though, so it makes sense.

    Anyways, now that you have your studded strap all rubbered up, get it into position. You'll attach the retaining pin side first. Line it up, slide the retaining pin through the mounting holes, and then clip your cotter pin through the hole in the retaining pin once again.

    Now on the other side of the strap, use that long bolt and thread it up into the original hole. This gave me some trouble on the second strap, as I had to sort of elbow-force the tank upwards to give myself enough slack to thread it in. This is where a helper would be very useful. However fret not if you don't have help. I'm a wiry beanpole of a dude and I managed to push up enough on a 1/2 full tank to get it lined up.

    [​IMG]

    As you tighten down the bolt on this side of the strap, don't fret if you hear a little "pop" a few times, the strap is actually lifting the tank upwards and returning to supporting the weight. It's simply the way it's put together- the "latch" that allows the strap to get lined up will dance around a bit as you tighten.

    Get it nice and snug, and then do the other strap with the same exact procedure! Ta-da, now we have a studded tank!

    If you are doing this mod in order to install an aftermarket skid, stop here and go follow their instructions!

    If you have an OEM skid, read on!

    Attaching the OEM Skid is trivial, you just line up the 4 holes with the 4 studs... it may take a gentle yank or bop to get the studs seated in the hole, gas tanks do distort slightly as they are full/empty. It's so light you probably don't even need a helper.

    This is the orientation it should go in:

    [​IMG]

    Narrowest section to the back.

    The Toyota OEM flange nuts are 12mm. Get 'em nice and tight too, but you shouldn't see much more than a thread and change sticking out from the flange nut. Also don't be alarmed if the molded-in metal part of the skid doesn't quite line up with your flange nut:
    [​IMG]

    And that's all there is to it! Enjoy your fancy pants TRD gear!

    [​IMG]
     
  2. May 6, 2018 at 2:43 PM
    #2
    Schmalik

    Schmalik Member

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    3" Pro-Comp lift, Full Tinted Windows, Wheels and Tires, and more to come!
    I just replaced my gas tank straps using your thread! Thanks a bunch!
     
    t0nyvalenzuela and Nitori [OP] like this.
  3. May 6, 2018 at 7:03 PM
    #3
    jay_zed

    jay_zed Well-Known Member

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    Make sure the tank is nearly empty if you're going to do this, it's a lot easier to get the new straps in place
     
  4. Jul 27, 2018 at 9:59 PM
    #4
    gulzeb

    gulzeb G

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    In order of install: Tint all around Weathertech floormats Center console insert and tray 17x7.5 +15mm alloy FJ rims, painted black Morimoto 2stroke led low beams Toyota bed mat AVS in-channel vent visors Removed black stickers from doors Removed air dam Debadged JDM ASTAR reverse leds Door sill protectors Reflective black tailgate inserts Rear cam anytime Fabric console cover Extra coverage engine guards Rigid SAE fogs Kicker/Subaru in-dash speakers JBL GT7-96 front door speakers JBL GT7-6 rear door speakers Hushmat deadener and wave breakers in doors Noico deadener behind rear seats Timbren Tortun4L rear bumpstops Added Line-X'd OEM flares OEM mudflaps Skid from TRD OR Avid Off Road front bumper guard Fatmat hoodliner 2nd gen 5100's with 2885s Sway bar relocate Cut off exhaust behind spare Wet Okoles on front seats Wheelers Superbumps Wheelers 2” single AAL ATH corner tie-downs ATH bed stiffeners Line-X’d rear bumper end caps TRD Sport/OR tail lights OEM bed step TRD Pro grille Fortin remote start Leer 180 Sleeping platform in bed 265/70/17 Terra Grappler G2 BPF front recovery point OV Tune 1.04 87 Westin 30” hidden bumper light bar Rago hidden bumper brackets
    Gonna do this in the next few days. Thanks for write-up.
     
  5. Jul 29, 2018 at 7:24 PM
    #5
    Tacotickler

    Tacotickler Active Member

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    Wish I had of done this earlier lol thanks for the write up gonna fix this tm20180729_201343.jpg
     
    Slashaar, SilverII and gulzeb like this.
  6. Aug 4, 2018 at 10:29 AM
    #6
    gulzeb

    gulzeb G

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    In order of install: Tint all around Weathertech floormats Center console insert and tray 17x7.5 +15mm alloy FJ rims, painted black Morimoto 2stroke led low beams Toyota bed mat AVS in-channel vent visors Removed black stickers from doors Removed air dam Debadged JDM ASTAR reverse leds Door sill protectors Reflective black tailgate inserts Rear cam anytime Fabric console cover Extra coverage engine guards Rigid SAE fogs Kicker/Subaru in-dash speakers JBL GT7-96 front door speakers JBL GT7-6 rear door speakers Hushmat deadener and wave breakers in doors Noico deadener behind rear seats Timbren Tortun4L rear bumpstops Added Line-X'd OEM flares OEM mudflaps Skid from TRD OR Avid Off Road front bumper guard Fatmat hoodliner 2nd gen 5100's with 2885s Sway bar relocate Cut off exhaust behind spare Wet Okoles on front seats Wheelers Superbumps Wheelers 2” single AAL ATH corner tie-downs ATH bed stiffeners Line-X’d rear bumper end caps TRD Sport/OR tail lights OEM bed step TRD Pro grille Fortin remote start Leer 180 Sleeping platform in bed 265/70/17 Terra Grappler G2 BPF front recovery point OV Tune 1.04 87 Westin 30” hidden bumper light bar Rago hidden bumper brackets
    I forgot I was going to do this, and filled up this morning...
     
  7. Aug 4, 2018 at 1:07 PM
    #7
    Tacotickler

    Tacotickler Active Member

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    Straps are on back order for me(spectra)..dealer wanted $106 CAD for just the one. Still need to figure out what I'm gonna do for a skid anyway ended up bending the origianal back with the vise
    20180730_191116.jpg
     
    gulzeb likes this.
  8. Aug 4, 2018 at 1:12 PM
    #8
    rblalliance

    rblalliance let the wookie win

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    Nice write up. Definitely something to think about doing to my truck.
     
  9. Nov 2, 2018 at 7:38 AM
    #9
    Onemorodeo

    Onemorodeo Well-Known Member

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    So if I'm reading your thread correctly, the Spectra straps should fit the 3rd gen trucks? Thanks
     
  10. Nov 2, 2018 at 8:52 AM
    #10
    gulzeb

    gulzeb G

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    In order of install: Tint all around Weathertech floormats Center console insert and tray 17x7.5 +15mm alloy FJ rims, painted black Morimoto 2stroke led low beams Toyota bed mat AVS in-channel vent visors Removed black stickers from doors Removed air dam Debadged JDM ASTAR reverse leds Door sill protectors Reflective black tailgate inserts Rear cam anytime Fabric console cover Extra coverage engine guards Rigid SAE fogs Kicker/Subaru in-dash speakers JBL GT7-96 front door speakers JBL GT7-6 rear door speakers Hushmat deadener and wave breakers in doors Noico deadener behind rear seats Timbren Tortun4L rear bumpstops Added Line-X'd OEM flares OEM mudflaps Skid from TRD OR Avid Off Road front bumper guard Fatmat hoodliner 2nd gen 5100's with 2885s Sway bar relocate Cut off exhaust behind spare Wet Okoles on front seats Wheelers Superbumps Wheelers 2” single AAL ATH corner tie-downs ATH bed stiffeners Line-X’d rear bumper end caps TRD Sport/OR tail lights OEM bed step TRD Pro grille Fortin remote start Leer 180 Sleeping platform in bed 265/70/17 Terra Grappler G2 BPF front recovery point OV Tune 1.04 87 Westin 30” hidden bumper light bar Rago hidden bumper brackets
    The quality is clearly lower than oem, but they fit. I put them on mine.

    The spectra ones do not say they are “stainless”, so I painted them as well, hammered silver rustoleum.
     
    Onemorodeo likes this.
  11. Nov 2, 2018 at 11:45 AM
    #11
    Nitori

    Nitori [OP] Well-Known Member

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    Yes, this was done on a 3rd gen.

    I have no complaints about the quality level a year and change later. Hopefully they haven’t changed suppliers or anything. Thicker isn’t always better as long as the grade of steel is appropriate and the manufacturing process is good.


    Regarding the material, they may not be stainless but at the very least they do appear to be treated somehow. I am on lunch break and I just stooped down and took this:29185AD6-0719-469A-8926-CA11F1A4D732.jpg

    Superficial oxidation on the spot welds is about all that has happened in a year plus.
     
    gulzeb and Onemorodeo like this.
  12. Nov 2, 2018 at 12:23 PM
    #12
    Sungod

    Sungod Well-Known Member

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    zinc plated / galvanized
     
    gulzeb likes this.
  13. Nov 2, 2018 at 12:29 PM
    #13
    Sub_Par

    Sub_Par Well-Known Member

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    You can also just drill holes in your stock straps. Less money and still OEM straps.
     
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  14. Nov 28, 2018 at 2:19 PM
    #14
    Onemorodeo

    Onemorodeo Well-Known Member

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    Thanks @Nitori for the write up on this. I ordered the aftermarket straps from Amazon, got a set that someone returned for about $35. Used the ratcheting straps to hold the tank in place, super easy. Took about twenty minutes start to finish.
     
  15. Apr 18, 2019 at 9:17 PM
    #15
    Dylanono

    Dylanono Member

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    Thanks for the excellent write up, Nitori. Did everything as yours. Now I have the basic tank protection that I wanted on my 2018 TRD Sport.
     
  16. Jul 25, 2019 at 5:51 PM
    #16
    AgingDisgracefully

    AgingDisgracefully Well-Known Member

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    Reviving this a bit. I have two questions.

    1. For the OEM strap its says parts "Toyota 77601-04020 & 77602-04020". Do we need to buy both of these?

    2. I have a 2016 SR5 V6 Automatic 4X4 DCSB. Does anyone know if these parts fit my truck? It is not 100% clear from the parts sites I've looked at. Thanks.
     
  17. Aug 4, 2019 at 5:38 PM
    #17
    AgingDisgracefully

    AgingDisgracefully Well-Known Member

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    So, further attempt at revival. To answer my question in last post, RCI sells the straps.

    @Nitori did you put any thread locker on the 14mm bolts when you reinserted them with the new straps? Thanks.
     
  18. Aug 4, 2019 at 6:12 PM
    #18
    Mojlnir

    Mojlnir Well-Known Member

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    You knew this was coming, Right? DON'T USE RED!


    :D
     
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  19. Aug 4, 2019 at 6:38 PM
    #19
    AgingDisgracefully

    AgingDisgracefully Well-Known Member

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    heh heh...yeah...I should have seen that coming.

    I am now conducting a little experiment. I have a spare Taco UCA bolt and I put one nut on it as a kid of backstop and then added another with red loctite and tightened pretty hard. Tuesday morning I am going to try to figure out the torque required to break red thread locker, at least in this setting.

    That said I am leaning toward red locticte for the gas tank strap bolts because it strikes me as maybe...well, bad if one of those bolts failed.
     

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