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slip yoke knock/clunk

Discussion in '3rd Gen. Tacomas (2016+)' started by zenny, Sep 28, 2020.

  1. Sep 28, 2020 at 9:02 AM
    #1
    zenny

    zenny [OP] Well-Known Member

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    I wanted to start a new a new discussion concerning the slip yoke issue on the 3rd Gen Tacomas because of some things I have noticed. I have a 2017 Tacoma TRD Off Road 4x4. The issue with the slip yoke is a knock/clunk when slowing down for a stop sign or red light.

    1. When in "D" and I pull up to a stop sign in a rather going fast manner and begin to apply the brakes to stop, I usually hear that thump/clunk. But if I pull up to a stop sign and apply the brakes slowly and slowly come to a stop...I do not usually hear that thump/clunk..
    2. .Also, if I drive in "S 6" mode, and no matter how I pull up to a stop sign be it fast or slow, I do not hear the thump/clunk in that high gear......STRANGE.

    Your thoughts moving forward are appreciated...thank you
     
  2. Sep 28, 2020 at 9:04 AM
    #2
    Shellshock

    Shellshock King Shit of Turd Island

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    Have you checked the trans fluid? I’ve seen this get fixed by doing a drain and fill of the trans.
     
  3. Sep 28, 2020 at 9:07 AM
    #3
    Timetraveler66

    Timetraveler66 Well-Known Member

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    Its crazy. I bought a brand new 2005 trd sport. Had it for 10 years. Every single complaint, problem, gremlin,is still exactly the same in 2020 on the 3rd. Could be axle wrap from the leaf springs.
     
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  4. Sep 28, 2020 at 9:57 AM
    #4
    splitbolt

    splitbolt Well-Known Member

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    Last edited: Sep 28, 2020
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  5. Sep 29, 2020 at 9:50 AM
    #5
    zenny

    zenny [OP] Well-Known Member

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    Hi guys...Thanks for your comments. Great paths to follow and research. I have 25,000 miles on my Tacoma and I did have the dealer check and top off the trani fluid. I am under the impression from various discussions that the issue I am describing, as Timetraveler66 has mentioned, that such issues have been plaguing the Tacomas and other Toyota models for years. Why Toyota has not solved this problem after all these years is just plain crazy. Your great and in insightful comments are well taken and food for thought as I move forward...Thanks again kind folks.
     
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  6. Sep 29, 2020 at 10:32 AM
    #6
    gearcruncher

    gearcruncher Well-Known Member

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    Why not pop the driveshaft off and add some special lube to the splines .
    Keep in mind that Toyota didnt put much on the splines when they sold you the truck and a lot of members are complaining about the lack of lube from the factory which in turn does create some clunking .
    Dont use grease as it will just wipe off .
    Gotta use this stuff for long lasting results
    https://www.amazon.com/dp/B000NU77DA
     
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  7. Sep 29, 2020 at 10:41 AM
    #7
    tonered

    tonered tacorider

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    I have some Honda Assembly Lube on hand. Would this work well, or should I stick with PTFE?

    https://www.amazon.com/Honda-HN-08798-9010-MOLY-PASTE/dp/B0083BWUYW

    Thanks!
     
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  8. Sep 29, 2020 at 11:32 AM
    #8
    gearcruncher

    gearcruncher Well-Known Member

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  9. Sep 29, 2020 at 11:35 AM
    #9
    tonered

    tonered tacorider

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    Thanks! That is where I used it in the past, but it was on crappy Russian metal that would be an embarrassment to call steel. More like hardened butter.
     
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  10. Sep 29, 2020 at 11:35 AM
    #10
    DarthPow

    DarthPow Well-Known Member

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    Check the driveshaft carrier bearing for play as well. I had this issue, and replacing the carrier bearing fixed it.
     
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  11. Sep 29, 2020 at 2:08 PM
    #11
    splitbolt

    splitbolt Well-Known Member

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    Too much and it can hydro lock, no?
    Some have even resorted to drilling a relief hole...

    https://www.tacomaworld.com/threads/bump-after-stop.456356/#post-13499185
     
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  12. Sep 29, 2020 at 3:02 PM
    #12
    gearcruncher

    gearcruncher Well-Known Member

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    How true .
    There is a fine line between too much and not enough .
    What I can tell you is when these driveshafts were assembled at the factory , there was not enough put on .
    With this being said , I usually give the splines a thorough coating and then work the yoke back and forth a few times in order to cover all the splines . From there , there should be no chance of hydro locking .
    I agree though . A tiny hole to prevent hydro locking is a good solution
     
  13. Sep 29, 2020 at 3:11 PM
    #13
    BassAckwards

    BassAckwards Well-Known Member

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    I would start by retorquing the u-bolts on the rear axle. I had a similar thing happen on my truck and the ubolts weren't tight.
     
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  14. Jun 11, 2021 at 7:38 AM
    #14
    Acesolo1!

    Acesolo1! Active Member

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    do u drill the hole on the side right after the ears for the u joints or on top?
     
  15. Jun 11, 2021 at 7:47 AM
    #15
    Skydvrr

    Skydvrr IG: @kalopsianick

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    What kinda drill bit u got? From what I've heard, those yolks are harder than woodpecker lips.
     
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  16. Jun 11, 2021 at 9:27 AM
    #16
    Acesolo1!

    Acesolo1! Active Member

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    Didnt think of that....well shit. What kind of drill bit shoukd be used?
     
  17. Jun 11, 2021 at 9:33 AM
    #17
    Skydvrr

    Skydvrr IG: @kalopsianick

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    Honestly I’m not sure. My Cobalt bit struggled when trying to drill a small hole in the bottom of my frame. Carbide? Honestly idk haha.
     
  18. Jun 11, 2021 at 2:07 PM
    #18
    Acesolo1!

    Acesolo1! Active Member

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    Maybe ill take it to a machine shop or see if I can find the same size yoke that already has the hole and a zerk?? Anyone know what it would be
     

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