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Official Crawlbox BS thread!

Discussion in 'Technical Chat' started by HomerTaco, Mar 16, 2016.

Page 78 of 177
  1. Mar 25, 2020 at 11:28 AM
    #1541
    feesquivel

    #1541
    feesquivel Well-Known Member

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    Yes sir, Marlin provided coupler. This would be the third coupler I am changing.

    First one measured ~3.793", 2nd one measured 3.623" and the one I have installed right now (latest from marlin) is 3.514".

    Took some measurements and if my math is correct I should have 3.521" available in between output/input shafts, so barely under.

    2nd and 3rd coupler comparison.jpg
    2nd and 3rd transmission side coupler.

    length calculations.jpg

    Please note, once the coupler was fully in. The final inner measurement is 2.675", marlin measured theirs to be 2.7". So there shouldn't be any preloading anymore.
    coupler installed on transmission.jpg

    Still don't know how this is causing my splines to strip :confused:.
     
    feesquivel, Mar 25, 2020
    #1541
  2. Mar 25, 2020 at 11:38 AM
    #1542
    Littles

    #1542
    Littles Stupid is as stupid does.

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    I have one sitting at home I'll measure for you tonight. If it's shorter, you're welcome to it. I am skeptical of Marlin's explanation and also curious to know how that would cause stripping on the output side of the crawlbox/input of the tcase. I would think it would create an issue with you even being able to bolt the crawl box to the trans to begin with, and that it would create the higher forces between the trans and the crawlbox, not the crawlbox and the tcase.
     
    Littles, Mar 25, 2020
    #1542
    hoverlover and feesquivel[QUOTED] like this.
  3. Mar 25, 2020 at 11:40 AM
    #1543
    wrmathis

    #1543
    wrmathis Dark Lord of the Sith

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    parts and stuff

    the pics of the crawl box looking bone dry would give me alot of cause for concern.

    how much gear oil is being put into the crawl box?
     
    wrmathis, Mar 25, 2020
    #1543
    tetten and hoverlover like this.
  4. Mar 25, 2020 at 12:36 PM
    #1544
    feesquivel

    #1544
    feesquivel Well-Known Member

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    I wouldn't know a specific amount, I fill it up till it start dripping out of the fill hole. Then drive it around and repeat. As instructed by marlin.

    Once I fill it up this time will take note of how much it took. Also I have been using half a qt of lucas heavy duty oil stabilizer, recommended by wyatt.
     
    feesquivel, Mar 25, 2020
    #1544
  5. Mar 25, 2020 at 1:24 PM
    #1545
    wrmathis

    #1545
    wrmathis Dark Lord of the Sith

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    pretty sure i use 1.5-2 qts. but yeah, how u explained it is how i normally add fluid.
     
    wrmathis, Mar 25, 2020
    #1545
  6. Mar 25, 2020 at 9:28 PM
    #1546
    Littles

    #1546
    Littles Stupid is as stupid does.

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    Mine measures 3.77in. They are all over the map with these things.
     
    Littles, Mar 25, 2020
    #1546
  7. Mar 25, 2020 at 10:26 PM
    #1547
    feesquivel

    #1547
    feesquivel Well-Known Member

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    I guess is kind of close to the first one, every coupler I have received after the first one has been cut down to prevent “preloading”.

    Don’t know why my transmission is different from any other tacoma’s transmission that will cause preloading.
     
    feesquivel, Mar 25, 2020
    #1547
  8. Mar 26, 2020 at 2:44 AM
    #1548
    HomerTaco

    #1548
    HomerTaco [OP] also HomerTaco Vendor

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    Sorry to hear that. :rimshot:
     
    HomerTaco, Mar 26, 2020
    #1548
    whatstcp, G.T. and hoverlover like this.
  9. Mar 26, 2020 at 6:35 AM
    #1549
    Littles

    #1549
    Littles Stupid is as stupid does.

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    Savage.
     
    Littles, Mar 26, 2020
    #1549
    hoverlover likes this.
  10. Mar 26, 2020 at 6:56 AM
    #1550
    Whitebutler

    #1550
    Whitebutler No need to compensate!

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    So I do Hydraulic motors and pumps using jack shafts or splines couplers all the time. Seems to me the coupler should have a bit of slack when everything is bolted up tight. Maybe a few thousandths or so. I also have a tendency to use anti seize inside the coupler incase any non lubrication issues arise. just my .02
     
    Whitebutler, Mar 26, 2020
    #1550
    G.T. likes this.
  11. Mar 26, 2020 at 8:53 AM
    #1551
    HomerTaco

    #1551
    HomerTaco [OP] also HomerTaco Vendor

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    HomerTaco ...................................................................................................................................................... Core-Hurst short throw shifter & T-handle / Carbon Fiber Interior / custom console light / De-badged / leather interior / Heated Front seats / Red Line Hood Struts / Painted speaker grills /one-off TRD Satoshi Grill with 12-15 front-end swap/ Pioneer AVIC-X920BT HU / Scangauge II / Black LED Tails / Dash Mount for iPad mini / Safari Snorkel / Auto-pilot mode / Leer 100XQ Cap / 4x Innovations sliders / Rear Diff Breather Mod / front windows tinted to 35% / Brute Force Fab Hybrid Front Bumper / BAMF Rear Diff Skid / Budbuilt Skids / CBI Trail Master 2.0 rear hybrid bumper / Fox rr coils/ TC UCA's/ TC spindle gussets/ TC Cam Tab gussets / Dakar leafs / Defined Engineering shackles / All pro U bolt flip / Timbren Rear Bumpstops / BAMF LCA skids / Exhaust re-route / Fog Light anytime Mod / LowRange Off Road extended rear brake lines / ATO Shackle Flip / sectioned Bushwhacker flares / re-geared to 4.56 / ARB Front & Rear Locking Diff / ARB CKMA12 compressor / PrInSu full rack system / 1" body lift / Inchworm 4.7 crawlbox / twin stick FJ t-case / Davez off-road triple-stick kit/
    Happy Birthday! :D
     
    HomerTaco, Mar 26, 2020
    #1551
    Littles[QUOTED] likes this.
  12. Mar 26, 2020 at 1:39 PM
    #1552
    Littles

    #1552
    Littles Stupid is as stupid does.

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    Thanks buddy :playball:

    e90.jpg
     
    Littles, Mar 26, 2020
    #1552
    jubei, HomerTaco[QUOTED][OP], Jojee117 and 1 other person like this.
  13. Mar 26, 2020 at 1:44 PM
    #1553
    hoverlover

    #1553
    hoverlover Never pet a burning dog.

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    Happy birthday, @Littles
    Drinking one for ya now :cheers:

     
    hoverlover, Mar 26, 2020
    #1553
    Fernando, TacoFMS, HomerTaco[OP] and 1 other person like this.
  14. Mar 26, 2020 at 8:01 PM
    #1554
    6 gearT444E

    #1554
    6 gearT444E Certified Electron Pusher

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    damn we gotta meet, quarantine and chill?
     
    6 gearT444E, Mar 26, 2020
    #1554
    TacoFMS, HomerTaco[OP] and hoverlover[QUOTED] like this.
  15. Mar 26, 2020 at 8:05 PM
    #1555
    hoverlover

    #1555
    hoverlover Never pet a burning dog.

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    :rofl:
     
    hoverlover, Mar 26, 2020
    #1555
  16. Mar 31, 2020 at 7:02 AM
    #1556
    Wishbone Runner

    #1556
    Wishbone Runner Because 4R

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    Looks awesome, who did you use for those?

    #cupholderlivesmatter

    F52D68F3-7D93-4E3F-86E2-8D1D1289411B.jpg
     
    Wishbone Runner, Mar 31, 2020
    #1556
    G.T., hoverlover[QUOTED], wrmathis and 1 other person like this.
  17. Mar 31, 2020 at 9:03 AM
    #1557
    hoverlover

    #1557
    hoverlover Never pet a burning dog.

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    Thanks, appreciate it!
    The sticks are from RADesigns, the boot was done by a local shop, and the knobs I got from Davez Offroad.
    Hell yes, #cupholderlivesmatter
     
    hoverlover, Mar 31, 2020
    #1557
    HomerTaco[OP] and Wishbone Runner[QUOTED] like this.
  18. Mar 31, 2020 at 10:07 AM
    #1558
    Wishbone Runner

    #1558
    Wishbone Runner Because 4R

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    Cool, what kind of shop, a car place or fabric type shop?
     
    Wishbone Runner, Mar 31, 2020
    #1558
    hoverlover[QUOTED] likes this.
  19. Mar 31, 2020 at 2:08 PM
    #1559
    hoverlover

    #1559
    hoverlover Never pet a burning dog.

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    Yea it was a car shop that does custom interior work.
    The guy that did it was recommended to me by a friend at another shop.
     
    hoverlover, Mar 31, 2020
    #1559
    Wishbone Runner[QUOTED] likes this.
  20. Mar 31, 2020 at 4:14 PM
    #1560
    HomerTaco

    #1560
    HomerTaco [OP] also HomerTaco Vendor

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    Looks great! By my count there are now 3 of us with this configuration.
     
    HomerTaco, Mar 31, 2020
    #1560
    hoverlover[QUOTED] likes this.
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