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Retorqe u bolts?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Coyotes, Apr 21, 2013.

  1. Apr 21, 2013 at 5:28 PM
    #1
    Coyotes

    Coyotes [OP] Member

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    After having the aal installed should the u bolts be retorqued after so many miles?

    Thanks
     
  2. Apr 21, 2013 at 5:30 PM
    #2
    Texoma

    Texoma IG: Triple C Chop Shop

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    Yes, after 100 mi, 500 mi, and 1000 mi. I check torque on almost everything at oil change time. U bolts should be 85ftlbs.
     
  3. Apr 23, 2013 at 9:21 AM
    #3
    Coyotes

    Coyotes [OP] Member

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    Took to dealer to have retorqued.
    They only torqued to 36 ftlbs?
     
  4. Apr 23, 2013 at 9:22 AM
    #4
    DevL

    DevL Well-Known Member

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    Not enough
     
  5. Apr 23, 2013 at 9:24 AM
    #5
    Large

    Large Red

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    They are going by the spec sheet, IIRC it says 37 ft lbs and it is a typo.
     
  6. Apr 23, 2013 at 9:35 AM
    #6
    Coyotes

    Coyotes [OP] Member

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    So it should be 85 like texoma said?
     
  7. Apr 23, 2013 at 9:42 AM
    #7
    127.0.0.1

    127.0.0.1 AKA ::1

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    yeah do 85....do it 50 each in a pattern, then 70 each same pattern,
    finally 85 each

    ----
    about the 37 factory spec vs old-school everyone agrees should be 85 spec....

    I have a new 2013, with the annoying vibe 15-25mph under moderate to heavy accel

    the vibe was pretty nasty as delivered. checked bolts after 2200 miles, all were low, around
    30-40

    I cranked them all up to 85 (in three stages) and sure enough, my nasty vibe went
    down to a whisper. still a teeny vibe but it barely happens, and at all speeds not
    15-25, zero vibes anywhere, even at 110 mph :)D)


    I cannot say it is a simple typo on the 37 foot lbs spec, (as the docs show three values,
    foot lbs, newtons, and kg-m) and they all equal around 37ft but there is a huge amount of fishy-ness
    about 37 on the bolts. I am no leaf-spring expert, but 37 is freakng wrong. it has
    to be wrong, because it results in a crappy ride basically
     
    Last edited: Apr 23, 2013
  8. Apr 23, 2013 at 9:42 AM
    #8
    nat

    nat Well-Known Member

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    yes
     
  9. Apr 23, 2013 at 9:49 AM
    #9
    Coyotes

    Coyotes [OP] Member

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    What size is that nut?
    Goin to borrrow torque wrench and do my self.
     
  10. Apr 23, 2013 at 9:50 AM
    #10
    Large

    Large Red

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    3/4" or 13/16" ... I can't recall
     
  11. Apr 23, 2013 at 9:51 AM
    #11
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    Large Red

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    Actually, I don't have factory u-bolts, I'm using a flip kit so I don't know lol.
     
  12. Apr 23, 2013 at 9:57 AM
    #12
    Crom

    Crom Super-Deluxe Member

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    14mm or 17mm can't remember. I think 14mm.
     
  13. Apr 23, 2013 at 10:24 AM
    #13
    127.0.0.1

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    no it is way bigger than 14mm....it is 19mm I am sure and uses a deep socket
     
  14. Apr 23, 2013 at 10:32 AM
    #14
    rtn1911

    rtn1911 Well-Known Member

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    ^^^

    Yep. Make sure you get a deep socket.
     

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