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carrier drop or rear shims?

Discussion in 'Suspension' started by aficianado, Mar 26, 2010.

  1. Mar 26, 2010 at 9:18 AM
    #1
    aficianado

    aficianado [OP] Well-Known Member

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    back to bone stock.
    admittedly, i have a very tiny vibe at take off. feels like i am running on mud terrains for the first 15 feet. i wanna throw alittle money at the problem to try to make it perfect.

    i think i have less than 3" in front, and i installed the 1.5" AAL's in the rear, on non-TSB leafs. i did the front diff drop.

    shims and carrier drop kits are cheap. what would you do?
     
  2. Mar 26, 2010 at 9:19 AM
    #2
    98tacoma27

    98tacoma27 is gooder 'en chicken Moderator

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    shims IMHO
     
  3. Mar 26, 2010 at 3:01 PM
    #3
    nvdeserted

    nvdeserted Well-Known Member

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    I agree, shims.
     
  4. Mar 26, 2010 at 3:02 PM
    #4
    Sparky4.0

    Sparky4.0 Well-Known Member

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    01 trd beat to hell
    shims x 3
     
  5. Mar 26, 2010 at 3:56 PM
    #5
    Janster

    Janster Old & Forgetful

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    You only have 1.5" in the rear and have driveline vibes?

    Are you sure these are driveline vibes and not something else. Just curious....

    When I had my 96 tacoma and the rear setup I did to it had 3" in the rear and I had a constant vibration. I installed 2.5* shims to correct the issue. The 2.5* shims were the smallest they make.

    Do you have any pictures of the driveline angle itself?

    When did the vibes start happening? Immediately after you installed the AAL? Or ..?
     
  6. Mar 26, 2010 at 3:57 PM
    #6
    tacomaman06

    tacomaman06 Carolina Alliance: Enforcer

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    getting there....
    i used spacers on mine.......and i know lots of others have. they are alot easier and quicker to make/install, and essentially the same outcome.
     
  7. Mar 29, 2010 at 10:32 AM
    #7
    aficianado

    aficianado [OP] Well-Known Member

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    back to bone stock.

    a photo is a great idea! the vibes happened..And i mean they are really a tiny vibe. tiny! it is more of a "shudder" at take off. it happened the first time i drove off after the AAL install.

    thanks. i re-used the old u-bolts, and considered swapping them out anyways. i have maybe 1-2 thread protruding from the nuts...shims going in at the same time would be an easy thing.

    thanks for all the input, people.
     
  8. Mar 29, 2010 at 10:33 AM
    #8
    drew02a

    drew02a Rocking your mom's world Since 1997

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    try carrier bearing drop first. It's way easier to do.
     
  9. Mar 29, 2010 at 10:59 AM
    #9
    Janster

    Janster Old & Forgetful

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    Try this.... add about 200lbs to the bed of the truck and see what happens. If the vibe goes away, I'd leave the 200lbs (or so) in the bed for a few days to help 'settle' the rear suspension.

    I'm guessing your 'take-off' shudder is due to the driveshaft pivots just beyond its 'sweet spot' immediately upon when you step on the gas.

    Since your AAL's are new - give it time to settle a bit (hence the weight). Rear lifts are always larger when new and need time to settle. Once it settles, your vibe might go away completely.

    KEEP A CLOSE EYE on those U-bolts. Re-using old u-bolts isn't always the best thing. They can sometimes come loose. If you don't catch it, can break centering pins & your leaf pak can shift out of position.
     
  10. Mar 30, 2010 at 11:35 AM
    #10
    DIRTRIDER

    DIRTRIDER Active Member

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    BULL BAR,DRIVING LIGHTS W/ OEM SWITCH,BLACK STOCK WHEELS,265/75/16 TIRES,XM RADIO,EXTRA BED D-RINGS,SPRING TSB,5100'S @ 1.75",FOG LITE MOD, A/C COMP.MOD
    I had a shudder at low speed on accell and decell during the 2cd and 3rd gear up and downshift after the spring tsb and 5100's set at 1.75. I did the 1/4" carrier bearing drop and 3 degree rear axle shims. The dealer did the rear t-case mount tsb and two rear driveshaft u joints. I have eliminated about 95% of the vibe, but it stills shudders lightly during the 2cd gear upshift. The dealer does not have the answer for this and suggested he could try erasing the memory in the transmission and have the trans learn new shifting habits.
     
  11. Mar 30, 2010 at 11:57 AM
    #11
    aficianado

    aficianado [OP] Well-Known Member

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    back to bone stock.
    great advice from everyone! i'll be more systematic about it. i'll do one change at a time, for experimental reasons.
     
  12. Mar 30, 2010 at 2:50 PM
    #12
    aficianado

    aficianado [OP] Well-Known Member

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    back to bone stock.
    how thick are the carrier bearing spacers?
     
  13. Apr 1, 2010 at 6:41 PM
    #13
    aficianado

    aficianado [OP] Well-Known Member

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    back to bone stock.
    seems like my home-made carrier washer/shims..did the trick. 3/16th of an inch thick.
     
  14. Apr 2, 2010 at 4:23 AM
    #14
    DIRTRIDER

    DIRTRIDER Active Member

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    My carrier bearing spacers are 1/4" thick.
     
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