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Fixed 90% of my takeoff shudder and vibe for $3

Discussion in '2nd Gen. Tacomas (2005-2015)' started by trd09, Mar 9, 2010.

  1. Mar 9, 2010 at 2:28 PM
    #1
    trd09

    trd09 [OP] Well-Known Member

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    Having the 5100s and TSB, I had a little takeoff shudder and 25mph vibes. However, the vibes existed before any mods done...

    I went to Home Depot and got some washers, stacked them about 1/2" high between the carrier bearing housing to lower it (I'll get the exact washer type/amount because I've been experimenting for the last two hours and got it pretty good) and 90% of my vibes are gone. My takeoff shudder is nearly gone and the 25mph vibe is much much better. Size of the wrench is a 14 metric...

    FWIW, this is not the common 25-45mph vibe that occurs after a lift that switching into 4wd cures...
     
  2. Mar 9, 2010 at 2:31 PM
    #2
    carmellocafe

    carmellocafe Begin With The End In Mind.

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  3. Mar 9, 2010 at 4:24 PM
    #3
    SpaceMonkey

    SpaceMonkey Well-Known Member

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    I did the same thing about a week ago! Used about 1/2" worth of washers. Caution: Please use longer bolts when stacking the washers.

    Note: The carrier spacer from toytec is only 1/4".
     
  4. Mar 9, 2010 at 4:41 PM
    #4
    trd09

    trd09 [OP] Well-Known Member

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    correction- should say 1/2", had a early morning/long day

    lanninja- did you find the need for longer bolts? i had no problem threading through the entire bracket?
     
  5. Mar 9, 2010 at 4:44 PM
    #5
    SpaceMonkey

    SpaceMonkey Well-Known Member

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    I already had longer bolts from the carrier spacer kit. I'm just saying if you have the stock bolts, then they will be too short.
     
  6. Mar 9, 2010 at 4:46 PM
    #6
    TacoSupreem

    TacoSupreem Dirty Trucker

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    Maybe try some axle shims. That should take care of the rest of your vibes.
     
  7. Mar 9, 2010 at 4:48 PM
    #7
    smithrw

    smithrw Well-Known Member

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    On my 08 Tacoma they put in 3 degree axle shims and the shudder at take off was gone.
     
  8. Mar 9, 2010 at 5:03 PM
    #8
    SpaceMonkey

    SpaceMonkey Well-Known Member

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    Instead of shims, first try some helper springs. You can find them at autozone. Easy to install and they help with shudder when coming to a stop.
     
  9. Mar 9, 2010 at 5:50 PM
    #9
    OH-MAN

    OH-MAN Well-Known Member

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    Which direction did you place the shim?
    Thick (my guess) or thin facing the front of the truck.
     
  10. Mar 9, 2010 at 6:24 PM
    #10
    jhodge83

    jhodge83 Any dog under 50# is a cat and cats are useless... Moderator

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    wat?
    thin to the front
     
  11. Mar 9, 2010 at 6:35 PM
    #11
    Razorecko

    Razorecko Well-Known Member

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  12. Mar 9, 2010 at 6:39 PM
    #12
    glandnut

    glandnut Grease Monkey

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    secret stuff.
    So what is actually causing the vibes when you do 5100's and the AAL/TSB?? Is it a camber/caster issue up front or what?
     
  13. Mar 10, 2010 at 5:45 AM
    #13
    OH-MAN

    OH-MAN Well-Known Member

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    The driveline angles are changed when you lift the truck.
    The angles need to be brought back into the same angles they were at.
    Angle comming out of the trans. cannot change, The carrier bearing can be moved down with spacers, and the rear diff can be rotated with wedges to bring the angle back into a better angle.

    Finding the exact amount can be a bit of a job doing a trial and error process.
    I have spaced the carrier bearing down about a quarter inch. Still have a slight vibration at about 25 mph.

    The wedges are a lot more work than the carrier spacers so I may try to drop it another quarter inch before trying the wedges.
     
  14. Apr 15, 2010 at 6:54 AM
    #14
    WVtriple

    WVtriple Well-Known Member

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    could post a picture of the fix mentioned, I am totally ignorant of where the placement of the washers/shims would go. When I think of carrier I think of the rear pumpkin. I have the exact sysmtoms after installing the 5100's and AAL in the rear. I did not think with the 1.75 setting, I would encounter any significant change in dive line angles, but here is the shudder on take off up to about 12-15 mph then gone, no other vibes are evident. thanks for your help.

    Update I found it here: http://www.customtacos.com/tech/index.php?article=27 , learning new terminology and locations everyday, sorry to be of trouble.
     
  15. Apr 15, 2010 at 8:01 AM
    #15
    09blacktaco

    09blacktaco Well-Known Member

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    I tried this for my takeoff shudder and it cured the shudder but made the vibes worse at hwy speed.
     
  16. Apr 15, 2010 at 8:29 AM
    #16
    flightcancled

    flightcancled Addicted

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    Weird that it would do that. Maybe the diff. drop would do the trick.

    I used to have really bad take off vibes which I just now figured out- thank you very much! Actually this makes perfect sense because when I installed my new 17" tires and rims the vibe disappeared. I guess the smaller tires had a bad angle to them which was messing up the drive shaft. Awesome!
     
  17. Apr 15, 2010 at 9:16 AM
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    CaliforniaTaco

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  18. Apr 15, 2010 at 9:22 AM
    #18
    Zombie Runner

    Zombie Runner Are these black helicopters for me?

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    I did this yesterday using washers. After I was done I drove around the block and the problem was still there...WTF...so I decided to look under the hood for some reason. I realized that my K&N filter had come a little loose and was banging on my fender under accel from a take off....:facepalm:
     
  19. Apr 15, 2010 at 9:57 AM
    #19
    Tillers_Rule

    Tillers_Rule ......................

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    Same, I actually used the 1" diff drop spacers to drop the carrier bearing. The vibs at freeway speeds were awful. Guess maybe that was a little too much of a drop:eek:
     
  20. Apr 16, 2010 at 7:20 AM
    #20
    OH-MAN

    OH-MAN Well-Known Member

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    Well I put in the 3 degree wedges in.
    Big end to the back to raise the nose of the diff up a tad.
    With my 2" AAL already in the U-Bolts are now at their limit on length.
    I removed the washers to get the threads all the way through the bolts.

    So far with just a bit of testing the 20 MPH vibe is gone.
    I will be ordering some longer U-Bolts from Toytec to put the washers back in.

    I am taking angle readings on the pinion, both drive shafts, and trans output flange before and after to try and understand where it is at.

    The dang extra U-joint and two piece driveshaft kind of makes the process a bit more interesting.

    More to come.
     
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