Outer wheel seal drive axle torque

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by skallagrime, Feb 28, 2021.

  1. skallagrime

    skallagrime Medium Load Member

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    Outer wheel seal axle nuts, looking for torque spec (front drive axle)
    Truck has 7 of the 8 nuts loose with my fingers and was leaking hub oil. Whats the torque spec on those, i can find hub torque and lug nut torque spec everywhere, i just cant find the axle nut specs anywhere (i also might not have nomenclature correct)

    Thanks in advance
     
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  3. Ridgeline

    Ridgeline Road Train Member

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    This is for the bolt shaft size and it is a good guide

    upload_2021-2-28_8-25-14.jpeg
     
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  4. Snailexpress

    Snailexpress Road Train Member

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    Look on the driver door information about axle manufacturer and axle model. Go to manufacturer website for exact information.
     
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  5. Snailexpress

    Snailexpress Road Train Member

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  6. skallagrime

    skallagrime Medium Load Member

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    Yeah, that would be ideal, but its completely worn away. That second one is the ticket.
    150-190.

    And yeah, seems my nomenclature wasnt getting me quite close enough

    Thanks
     
  7. Goodysnap

    Goodysnap Road Train Member

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    185 ft lbs.

    Replace the locknuts. Nylock are one time use. If the studs come out of the hub, clean and dry, apply red loctite and double nut install them back in the hub.

    Torque in a star pattern just like a wheel.

    Clean and dry gasket, no sealant.
     
  8. MRMTRANS

    MRMTRANS Light Load Member

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    Certainly go by the stud diameter for the axle, and torque on the high end of range. I am pretty sure they are 10.2 grade steel. I think you were asking about the wheel bearing/hub nut ("axle nut"), assuming you want to torque while the axle is out. I have always used Mike Beckett's ( from MD Alignment) procedure to torquing wheel bearings and never had a problem. MD Alignment: Bearing Adjustments -. This is a link to a video I have had for a decade that explains this procedure. I hope I don't have a problem with copy right infringement.
     
  9. MRMTRANS

    MRMTRANS Light Load Member

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    BTW, I still reseat the old seal (200 lb-ft and rotate wheel).
     
  10. skallagrime

    skallagrime Medium Load Member

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    20210301_111349.jpg

    Those nuts were what i was asking about, not that specific axle or even this truck but same size.

    Got it done, filled and off to a good wash, we'll see what it looks like in a week
     
  11. 062

    062 Road Train Member

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    That’s the axle flange
     
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