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Stock Skid Plate Bolt Size??

Discussion in '3rd Gen. Tacomas (2016-2023)' started by mattylmbr, Oct 15, 2018.

  1. Oct 15, 2018 at 9:32 AM
    #1
    mattylmbr

    mattylmbr [OP] Well-Known Member

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    Long story short, jacked up one of my skid plate bolts on my TRD Sport while installing my new suspension..

    Anyone know the size of the skid plate bolts off the top of there head (or otherwise) so I can get the proper bolt to replace it??

    Thanks in advance..
     
  2. Oct 24, 2018 at 11:25 AM
    #2
    Anton338

    Anton338 Ill-Known Member

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    Yep. The replacements are M8-1.25x20mm. Make sure you use a large DIN 9021 washer. (Not like in the picture.)

    Four of them hold the front skid plate under the oil filter, sometimes referred to as the "splash guard". The other four hold the back skid plate under the oil pan (only on the TRD Off-Road), that one is called the "under cover". During the last oil change I found that two of the eight were slightly galled, so I replaced them with stainless hardware.

    FYI, the OEM bolts are part number 90080-11373 with captive washers and 12mm hex cap, but Toyota sells them for $5 a bolt which isn't very cash money. Every replacement I've seen only comes with 13mm hex caps which shouldn't be much of a problem. Also, Toyota recommends that they be tightened to 22ft-lb (30Nm) on both plates, but my replacement bolts are A2-70 steel and the recommendation is reduced when lubricated. I snugged em up to 18ft-lb (25Nm). Remember to use anti-seize generously since these are going to be the first few fasteners to rust on the truck.

    [​IMG]
     
    Last edited: Dec 18, 2019
  3. Apr 1, 2019 at 5:43 PM
    #3
    edjukappy

    edjukappy Well-Known Member

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    Was looking for this info... thanks!
     
  4. Dec 12, 2019 at 8:10 AM
    #4
    Frank319

    Frank319 Well-Known Member

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    just what I was looking for. Thank you!
     
  5. Dec 12, 2019 at 9:39 AM
    #5
    Carny1

    Carny1 Well-Known Member

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    Exactly what I'm planning to do as well!
     
  6. Mar 15, 2020 at 7:18 AM
    #6
    terrapin_ld

    terrapin_ld Member

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    Always love Tacoma world post. Perfect answer to what I needed. Torque specs and all. Thanks. !!
     
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  7. Mar 21, 2020 at 11:53 AM
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    SamKha

    SamKha Well-Known Member

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    I had a bolt break on me. Need to drill it out and re-tap. Any advice on how best to do this?
     
  8. May 4, 2020 at 3:10 PM
    #8
    dta_rattler414

    dta_rattler414 New Member

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    Had 3 of 4 break on me. Was a pain in the ass drilling them out but finally got it done. Started with smaller sized drill bit and gradually increased in size until the broken/rusted bolts came out.
     
  9. May 28, 2020 at 6:39 AM
    #9
    Greg.Brakes.Tacos

    Greg.Brakes.Tacos Don't Feed the Animals

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    Anyone have the recommended washer OD or the OEM measurement handy?
     
  10. May 28, 2020 at 7:38 AM
    #10
    Anton338

    Anton338 Ill-Known Member

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    Yea man, stock captive washer is a 0.857in OD.
    I replaced them with DIN9021 washers with an 0.927in OD. (About 24mm on an M8)

    20200528_103314.jpg
     
  11. May 28, 2020 at 7:59 AM
    #11
    Greg.Brakes.Tacos

    Greg.Brakes.Tacos Don't Feed the Animals

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    Thanks, I'm looking to replace the mismatched set since it came to me with a diff drop, might as well move all of them to one size hex head. Making sure at least the OE washer OD was covered is greatly appreciated!
     
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  12. May 28, 2020 at 8:10 AM
    #12
    3JOH22A

    3JOH22A Toyota Gigolo

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    German-standard metric washers? Really? :p

    Just get 5/16" nominal washers from your hardware store and call it a day. Easier to find them in stainless too.
     
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  13. May 28, 2020 at 8:34 AM
    #13
    Greg.Brakes.Tacos

    Greg.Brakes.Tacos Don't Feed the Animals

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  14. May 28, 2020 at 9:05 AM
    #14
    mattleg

    mattleg Well-Known Member

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    You're talking the OEM splash guards right? A nice member might send you an OEM bolt. Lots of us have these sitting around after swapping to a true skid plate.
     
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  15. May 29, 2020 at 7:33 PM
    #15
    Anton338

    Anton338 Ill-Known Member

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    Mostly electrical shit that nobody cares about.
    You know the Germans always make good stuff.
     
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  16. May 29, 2020 at 8:07 PM
    #16
    CaptainBart45

    CaptainBart45 Well-Known Member

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    Work in progress...
    I will take one. I figure on putting two together with a layer of kevlar in between. Oh you were talking about a bolt, crap, well it was just an idea. The kevlar wouldn't be of any use but the two "splash pans" might not be a bad idea. hmmm. May have to drill out the upper pan bolt hole to get them bolt up. I bet I could pick up a "splash guard" at low cost. Would two layers of "splash pans" double the strength or would it actually be more than 2X the strength? My beer is empty...
     
    Last edited: May 29, 2020
  17. May 30, 2020 at 6:45 PM
    #17
    desert.taco

    desert.taco Well-Known Member

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    Anyone know the size for the allen bolts for the oil filter? Toyota pretty much stripped all four when I had my two free oil change.
     
  18. May 31, 2020 at 8:35 AM
    #18
    CaptainBart45

    CaptainBart45 Well-Known Member

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    Work in progress...
    Not sure what Allen bolts you are talking about on the oil filter?
     
  19. May 31, 2020 at 9:27 AM
    #19
    desert.taco

    desert.taco Well-Known Member

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    Sorry I meant the bolts for the oil filter cover

    FD9A1CF1-D76D-4039-8D4F-ED4DD8AB4CBB.jpg
     
  20. Jun 4, 2020 at 10:25 AM
    #20
    mattleg

    mattleg Well-Known Member

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    Last edited: Jun 4, 2020
    Buggin112, desert.taco and Anton338 like this.

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