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AAL keeps shifting

Discussion in 'Suspension' started by trailmaster308, Aug 20, 2009.

  1. Aug 20, 2009 at 8:43 PM
    #1
    trailmaster308

    trailmaster308 [OP] Well-Known Member

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    Hey guys just wondering if anyone has the problem with their AAL's shifting after a while?

    About once a month I have to poke my head down there and bang the snot out of the AAL to get it back in place. Any ideas to keep it lined up?:confused:
     
  2. Aug 20, 2009 at 8:52 PM
    #2
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Staff Member

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    Make sure its torqued propperly. It shouldnt be shifting around at all.
     
  3. Aug 21, 2009 at 5:20 AM
    #3
    Janster

    Janster Old & Forgetful

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    Definately (as Chris said), check your ubolts. The AAL's shouldn't be shifting at all.

    You might also wanna check your centering pin. Is it tight enough? Make sure isn't broken.
     
  4. Aug 21, 2009 at 5:23 AM
    #4
    Brunes

    Brunes abides. Staff Member

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    Cosign- I would check everything under there to make sure it is all tightened to specs.
     
  5. Aug 21, 2009 at 6:59 AM
    #5
    tacoman101

    tacoman101 Well-Known Member

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    put an air gun on the u bolts, shackles, center bolt, everything and tighten them up until they stop moving, make sure to tighten everything evenly
     
  6. Aug 21, 2009 at 7:14 AM
    #6
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Staff Member

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    4.10 gears, sliders, and lots of buttons.
    Its better to torque them. Over tightening the U bolts can cause them to break.
     
  7. Aug 21, 2009 at 8:15 AM
    #7
    trailmaster308

    trailmaster308 [OP] Well-Known Member

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    Ok I will check everything again. I am pretty sure I got everything tight but you never know.

    Question. Any particular direction everyone tightens their U bolts? Did yall just try and tighten evenly around? Maybe I should loosen everything and have another go at it.
     
  8. Aug 21, 2009 at 8:17 AM
    #8
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Staff Member

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    4.10 gears, sliders, and lots of buttons.
    I try to keep the same amount of threads showing on each one. FWIW, the FSM specs 37# for the U bolts. I belive this to be a typo, as that is way to low. I torque mine to 73-80#
     
  9. Aug 21, 2009 at 8:26 AM
    #9
    trailmaster308

    trailmaster308 [OP] Well-Known Member

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    I used the tried and true torque method of pull till my butt twinged. Maybe my threshold for twinging is less as I get older and will have to use a torque wrench from here on out! :)
     
  10. Aug 21, 2009 at 8:35 AM
    #10
    Simon2150

    Simon2150 Well-Known Member

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    what's the difference between torquing them and tightening them? 1 of my aals on my leaf pack has gone crooked as well.
     
  11. Aug 21, 2009 at 8:39 AM
    #11
    98tacoma27

    98tacoma27 :POOPCORN: Staff Member

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    Torqueing them is tightening them to a known torque. By just tightening them, you may be exceeding the recommended bolt strength or they may be loose even though they "feel" tight.
     
  12. Aug 21, 2009 at 10:24 AM
    #12
    Simon2150

    Simon2150 Well-Known Member

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    so if 1 of mine has gone crooked, more than likely it wasn't torqued or tighten to spec, is that right?
     
  13. Aug 21, 2009 at 10:28 AM
    #13
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Staff Member

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    4.10 gears, sliders, and lots of buttons.
    That would be my first guess.
     
  14. Aug 21, 2009 at 10:58 AM
    #14
    Janster

    Janster Old & Forgetful

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    Normally I go by torque specs, but for U-bolts......I'm not afraid to admit - I tighten the shit outta mine and haven't had any problems with them ever coming loose. I'm not necessarily talking about this 07 tacoma (never did suspension work on it), but with all the other vehicles (96 tacoma, 92 Jeep, 94 jeep, etc) I've owned....the U-bolts were FRIGIN TIGHT.

    I've always tightened them evenly and rotating back-n-forth between bolts tightening each up a little bit at a time.

    When you tighten them like I do, they stay tight (I've never had problems). However, you can't re-use them because the threads actually stretch and you'll never get them 'as tight' as you did before and they won't stay tight. I've never re-used U-bolts. I always buy new ones every time I take them off (for whatever reason).
     
  15. Aug 21, 2009 at 11:07 AM
    #15
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Staff Member

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    Good advise right here....
     
  16. Aug 21, 2009 at 11:16 AM
    #16
    trailmaster308

    trailmaster308 [OP] Well-Known Member

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    any reason i can't back out the nuts on the u-bolts a little to relieve pressure and retighted evenly? or should if i looses them just replace the whole ubolt setup?
     
  17. Aug 21, 2009 at 1:08 PM
    #17
    Janster

    Janster Old & Forgetful

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    That's an unknown...... because you don't know WHY they came loose to begin with (or what's going on). Loosening them up might expose more weaknesses.

    How far have the AAL's shifted? Have you tried using a mallet to hit them back in without loosening the u-bolts?

    Note: I wouldn't loosen anything unless you have the truck fully supported with jackstands/jacks.
     
  18. Aug 21, 2009 at 1:57 PM
    #18
    Monkeysuncle

    Monkeysuncle My Cat's breath Smells like Cat Food

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    I've never re-used U-bolts. I always buy new ones every time I take them off (for whatever reason).

    I am the same way, always replace if at all possible, but then I think, what about the studs that hold the wheel on? How many times in the life of a vehicle does that sucker get torqued down and loosened(tire change/rotation) Possibly a better grade fastener, these are the things that keep me up at night...as far as u-bolts, it's cheep insurance, buy new quality grade 8 washers nuts u-bolts, it will keep your rearend under the truck, oh yea, paint them when replacing my 2c
     
  19. Aug 21, 2009 at 4:43 PM
    #19
    bermise

    bermise Well-Known Member

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    not too sure on what the torque specs are for all ubolts, but Deaver recommended torquing my ubolts, that came with my leaf pack, to about 90-95lbs.
     
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