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Crank pulley small wobble + motor knock

Discussion in '2nd Gen. Tacomas (2005-2015)' started by anthony250f, Jul 16, 2017.

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  1. Jul 17, 2017 at 8:21 PM
    #21
    anthony250f

    #21
    anthony250f [OP] Well-Known Member

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    I'll go grab some hose too!!

    It's certainly one of the pulleys. Either tensioner or idler #2. Should be able to tell clearly when I remove the belt. I thought it was idler #1 so I replaced that. Oh well the bearing was pretty shot anyways
     
    anthony250f, Jul 17, 2017
    #21
    excorcist[QUOTED] likes this.
  2. Jul 20, 2017 at 6:30 PM
    #22
    anthony250f

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    anthony250f [OP] Well-Known Member

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    @excorcist @Torspd UPDATE. Changed the plugs and they were all at .075 gap and the drivers one closest to fire wall looked like this....
    IMG_5093.jpg


    Here's the updated video

    Sound better????!

    https://m.youtube.com/watch?v=BbmpV-vL4AM




    Also I took the belt off and idler #2 was super shot and the other idler and tensioner were bad too
     
    anthony250f, Jul 20, 2017
    #22
    excorcist likes this.
  3. Jul 20, 2017 at 6:32 PM
    #23
    excorcist

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    excorcist Well-Known Member

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    Odd that one was so worn, wonder if it was skipped on a plug change
     
    excorcist, Jul 20, 2017
    #23
    anthony250f[QUOTED][OP] likes this.
  4. Jul 20, 2017 at 6:33 PM
    #24
    anthony250f

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    anthony250f [OP] Well-Known Member

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    @excorcist they we're all gapped at .075

    the other plugs didn't have the oil....they were all almost seized but that one was actually loose
     
    anthony250f, Jul 20, 2017
    #24
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  5. Jul 20, 2017 at 6:35 PM
    #25
    excorcist

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    excorcist Well-Known Member

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    Ahh gotcha, looking at it on my phone screen...
     
    excorcist, Jul 20, 2017
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  6. Jul 20, 2017 at 6:35 PM
    #26
    anthony250f

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    anthony250f [OP] Well-Known Member

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    Me too lol

    You think it sounds ok now??
     
    anthony250f, Jul 20, 2017
    #26
  7. Jul 20, 2017 at 6:37 PM
    #27
    excorcist

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    excorcist Well-Known Member

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    Than again your electrode still looks worn to me when I zoom in.... obviously not the source of your noises...

    On my phone it sounds good, but again not the best speaker on here.
     
    excorcist, Jul 20, 2017
    #27
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  8. Jul 20, 2017 at 8:44 PM
    #28
    Torspd

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    Torspd Tor-nication

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    Great Scotts man!

    Sounds better to me. Sure it is running better as well, yes?
     
    Last edited: Jul 24, 2017
    Torspd, Jul 20, 2017
    #28
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  9. Jul 20, 2017 at 8:46 PM
    #29
    Torspd

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    Torspd Tor-nication

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    The oil is all on top of the plug, and not on the threads, so to me that means that the valve cover seal could be leaking.
     
    Torspd, Jul 20, 2017
    #29
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  10. Jul 21, 2017 at 3:30 AM
    #30
    80schild

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    80schild Well-Known Member

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    I know on the 4.7 there's an o-ring down in the spark plug tube that's bad about leaking, so I assume the 4.0 is the same way. Nevertheless, it requires pulling the valve (cam) cover.
     
    80schild, Jul 21, 2017
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  11. Jul 21, 2017 at 5:37 AM
    #31
    Torspd

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    Torspd Tor-nication

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    No o-rings in the spark plug tube, on the 1GR. Only place to leak, is from the gasket between spark plug tube and valve cover.
     
    Torspd, Jul 21, 2017
    #31
  12. Jul 23, 2017 at 11:28 AM
    #32
    anthony250f

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    anthony250f [OP] Well-Known Member

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    All 3 pulleys were bad....they will be here today


    No more knock at all either
     
    anthony250f, Jul 23, 2017
    #32
  13. Jul 23, 2017 at 11:29 AM
    #33
    anthony250f

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    anthony250f [OP] Well-Known Member

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    Hmm is that something I need to fix asap?

    Really over messing with the truck lol
     
    anthony250f, Jul 23, 2017
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  14. Jul 23, 2017 at 11:30 AM
    #34
    anthony250f

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    anthony250f [OP] Well-Known Member

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    Running great!! Haven't heard the knock at all recently. Switched to the rotella oil too at the same time...motor sounds happie

    The fpr vacuum hose was also not plugged into the air box
     
    anthony250f, Jul 23, 2017
    #34
  15. Jul 23, 2017 at 11:33 AM
    #35
    anthony250f

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    anthony250f [OP] Well-Known Member

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    Is it normal that the tops of the pistons looked black/charred?
     
    anthony250f, Jul 23, 2017
    #35
  16. Jul 23, 2017 at 11:41 AM
    #36
    License2Ill

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    License2Ill Woke like a Coma Toyota Tacoma

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    Bailing wire & Duct tape
    See if it's just carbon. Tee-spoon of water on the piston top for a few seconds and wipe it up with a rag. Does it clean it?
     
    License2Ill, Jul 23, 2017
    #36
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  17. Jul 23, 2017 at 11:49 AM
    #37
    Jmad1997

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    Jmad1997 Well-Known Member

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    When you switched the oil did the knock go away?
     
    Jmad1997, Jul 23, 2017
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  18. Jul 23, 2017 at 12:23 PM
    #38
    Torspd

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    Torspd Tor-nication

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    Bag of metal marbles....

    If it is leaking into the tubes, it is a good idea, to replace it.

    Look at the ends of your other vacuum hoses and make sure that they aren't spilt.

    The Rotella oil. Is that a diesel oil, or a diesel/ gas rated oil? If it is diesel only, it won't stand up to the gasoline. It will break down too quickly.
     
    Torspd, Jul 23, 2017
    #38
  19. Jul 23, 2017 at 1:16 PM
    #39
    anthony250f

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    anthony250f [OP] Well-Known Member

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    I'm not too sure. I know a few of my buddies run it and love it. The Mobil 1 was like water. The hose had burned on the header but I replaced it.

    I will check the spark plug in a few hundred miles and see if there is oil on the plug


    This is the oil....going to change it in 5kIMG_5156.jpg
     
    anthony250f, Jul 23, 2017
    #39
  20. Jul 23, 2017 at 1:50 PM
    #40
    Torspd

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    Torspd Tor-nication

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    Good plan and I believe that is the proper Rotella. The picture on the bottom right, has a truck and a tractor. Which makes me think they mean dual purpose.
     
    Torspd, Jul 23, 2017
    #40
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