1. Welcome to Tacoma World!

    You are currently viewing as a guest! To get full-access, you need to register for a FREE account.

    As a registered member, you’ll be able to:
    • Participate in all Tacoma discussion topics
    • Communicate privately with other Tacoma owners from around the world
    • Post your own photos in our Members Gallery
    • Access all special features of the site

U Bolt Grade & Thread Lubrication

Discussion in 'Suspension' started by OffroadToy, Dec 29, 2021.

  1. Dec 29, 2021 at 9:45 AM
    #1
    OffroadToy

    OffroadToy [OP] old, forgetful, and decomposing

    Joined:
    Sep 12, 2009
    Member:
    #22680
    Messages:
    6,938
    Gender:
    Male
    Vehicle:
    2007 Offroad DCSB AT- VSC,TRAC,HAC, & DAC
    Icon Stage 8, ECGS Bushing, Timbren ubolt flip, Crown extended brake lines, Overland Custom Design sway bar links, rear differential breather extension, oil filter drain hose, a/c drain hose extension & reroute, front windows tint, Cat Security, XPEL headlight/fog & grill protection, OEM block heater, RCBS illuminated 4X4 switch, Weathertech mats, Wet Okole seat covers, Sherpa Grand Teton/Crows Nest, Baja Designs S8 light bar, Diode Dynamics SS3 Pro fog lights, Method 305 NV Double Black, 275/70/17 Toyo R/T Trail.
    What grade (looks like it's a choice between 5 and 8) u bolt do you recommend and is it best to lubricate the threads with something prior to install? If so how much would you change the 90 ft lb torque value for a wet vs dry torque?
     
  2. Dec 29, 2021 at 9:46 AM
    #2
    6 gearT444E

    6 gearT444E Certified Electron Pusher

    Joined:
    Feb 3, 2018
    Member:
    #243372
    Messages:
    7,789
    Deep South
    Herculiner Hootus
    Grade 8, no lube, torque to around 100 ft-lbs.
     
    Knute likes this.
  3. Dec 29, 2021 at 9:50 AM
    #3
    6 gearT444E

    6 gearT444E Certified Electron Pusher

    Joined:
    Feb 3, 2018
    Member:
    #243372
    Messages:
    7,789
    Deep South
    Herculiner Hootus
    Knute likes this.
  4. Dec 29, 2021 at 11:30 AM
    #4
    eurowner

    eurowner Duke Sky

    Joined:
    Feb 23, 2017
    Member:
    #211429
    Messages:
    7,256
    Gender:
    Male
    First Name:
    Scoty
    The Syncro Ranch, Salida ColoRADo
    Vehicle:
    '17 TRDOR DCLB FTMFWBBQ Silver Sky Met
    Bilstein 8112+650lb coils, 8100+Deaver Stage II leaf pack, SPC UCA, DuroBumps, Mobtown 0* sliders W/fill plates, Mobtown Recovery Bar, Radium PVC & CCV Dual Oil Separator Catch Can System, Snugtop Hiliner Sport, ATH bed Stiffeners (cuz bottle openers!) + front corner tie down, Badger plates for Firestone airbag + Relentless U-bolt flip + Daystar cradles, TRD Pro shift knob, TRD Exhaust, HPS Silicone intake tube, Green Filter, TRD Intake Air Accelerator, 265-70-17 Toyo Open Country ATIII on TRD 17" Rockwarrior Cold Forged wheels, TRD alloy front skid, RCI Aluminum transmission & transfer case skids. Much Meso awesomeness, FreshMexicanTaco TacoGarage Camera Controller + DDM, 67 Designs cradles, Banks Pedal Monster + iDash gauge, WarFab Sheridan hitch skid, Ricochet LCA aluminum skids, Rago lower rear shock guards, FN Koning Countersteer 16" spare, OEM T4R 90105-14104 coilover lower mounting eye bolts
    Deaver Stage Two leaf pack sticker with ubolt torque spec per the size of the ubolt.
    B8C3EAE8-BED5-4EED-95EB-E7FF7FD350E6.jpg
     
    6 gearT444E and Dalandser like this.
  5. Feb 16, 2025 at 3:55 PM
    #5
    babylon5

    babylon5 Well-Known Member

    Joined:
    Aug 19, 2015
    Member:
    #162175
    Messages:
    914
    Gender:
    Male
    First Name:
    David
    Vehicle:
    2015 Tacoma Double Cab TRD Sport
    thought this might be of general interest

    torque.jpg
     

Products Discussed in

To Top