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axle shims

Discussion in 'Suspension' started by PPD934, Jul 13, 2009.

  1. Jul 13, 2009 at 4:31 PM
    #1
    PPD934

    PPD934 [OP] Well-Known Member

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    I have the TSB with AAL and come down with the great axle wrap vibrations. I bought the carrier bearing drop and still have them,
    For those of you who also have this problem and may have fixed it with axle shims. What degree did you use. 2, 2.5, or 3 degree. Aslo Im assuming I'll need longer U bolts since mine are about threadless past the bolt and The real question to install do you just loosen the u bolts and slide it in fron the front or does it also attach to the center pin?
     
  2. Jul 13, 2009 at 4:44 PM
    #2
    jhodge83

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

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    wat?
    i used the standard 3* from toytec. loosen the u-bolts and slide in from the back. points side goes towards the cab. there is a rectangle shaped hole in the shim to allow for the center pin
     
  3. Jul 14, 2009 at 6:13 AM
    #3
    PPD934

    PPD934 [OP] Well-Known Member

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    So JHodge, All I need to buy is the axle shims and longer U bolts if i need them. I do not need to buy new center pins correct. Also did this solve your shakes. I have talked to others who say you have to buy a one piece drive shaft to get rid of them
     
  4. Jul 14, 2009 at 8:40 AM
    #4
    jhodge83

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

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    wat?

    nothing to worry about w/ centerpins. it cured my shakes at take of. if u get the shims and still have the shakes, try removing the CB drop and see if that makes it better or worse.
     
  5. Jul 14, 2009 at 2:57 PM
    #5
    Janster

    Janster Old & Forgetful

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    I don't think they come in anything lower than 2.5*

    If the kit comes with shims...use 'em. Otherwise, I'd shoot for some STEAL shims in 2.5*

    The shims should have a hole in them. The centering pin will go through this hole and into your axle perch. You gotta make sure that you have enough of the HEAD of the centering pin to go through the shim entirely and have enough that goes into the hole in the spring perch.

    The FAT edge of the axle shim will be in the back (to point your pinion UPWARD). Edited..
     
  6. Jul 14, 2009 at 3:00 PM
    #6
    jhodge83

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

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    wat?
    all the ones i've seen have put the thin edge to the front.

    EDIT: pic of toku's shim install
    [​IMG]
     
  7. Jul 14, 2009 at 3:35 PM
    #7
    Janster

    Janster Old & Forgetful

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    Yeah, me bad. I was thinking Jeepeese with spring under axle. Edited the first post.
     
  8. Jul 14, 2009 at 3:42 PM
    #8
    MyToyTaco

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    I started out w/o shims, or CB drop and had vibes. Added the shims, still had vibes. Added the CB drop, and i still have the vibes. :(
     
  9. Jul 14, 2009 at 3:44 PM
    #9
    jhodge83

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

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    wat?
    is it the takeoff vibes or the certain MPH vibes?
     
  10. Jul 14, 2009 at 3:44 PM
    #10
    MyToyTaco

    MyToyTaco ╒╪╕

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    take off vibes
     
  11. Jul 14, 2009 at 3:45 PM
    #11
    MyToyTaco

    MyToyTaco ╒╪╕

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    the vibes decreased, but are still there with the additions of shims & CB drop
     
  12. Jul 14, 2009 at 3:46 PM
    #12
    jhodge83

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

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    wat?
    yeah, i guess the only other option would be the TW driveshaft if it was that big of a deal
     
  13. Jul 15, 2009 at 2:51 AM
    #13
    Janster

    Janster Old & Forgetful

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    What degree shims are you running? Got any pictures?

    You might need larger shims.

    The pinion will always pivot upwards slightly upon take-off because of the torque load. The pinion needs to be in the 'sweet spot'. You can get vibes when the pinion goes above or below that sweet spot.

    I'd try larger shims (and remove the carrier bearing spacer).
     
  14. Jul 15, 2009 at 12:43 PM
    #14
    MyToyTaco

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    im using 3 degree shims
     
  15. Jul 15, 2009 at 1:52 PM
    #15
    Janster

    Janster Old & Forgetful

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    Do ya have any pictures of your pinion angle?
     
  16. Jul 15, 2009 at 2:11 PM
    #16
    MyToyTaco

    MyToyTaco ╒╪╕

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    heres a couple
     
  17. Jul 15, 2009 at 3:01 PM
    #17
    jhodge83

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

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    wat?
    is it just the pic, or are those leafs really that flat?
     
  18. Jul 15, 2009 at 3:14 PM
    #18
    MyToyTaco

    MyToyTaco ╒╪╕

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  19. Jul 15, 2009 at 3:23 PM
    #19
    jhodge83

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

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    wat?
    that first pic u posted looked like there was no bend to the springs
     
  20. Jul 15, 2009 at 3:26 PM
    #20
    MyToyTaco

    MyToyTaco ╒╪╕

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    they do seem kinda flat tho..compared to the leaf packs i've recently helped other members install
     
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