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Torque specs
  • Kevin C.Kevin C.
    Posts: 410Platinum Member
    I'm looking for the torque specs. for the nuts on the u bolts that hold the front and rear axles to the leaf springs on my '39 (they would probably be the same from '37 to '39).



    Kevin
  • Chuck G
    Posts: 365Platinum Member
    There are no torque specs listed in my mechanical procedure manual i would say make them tight if they are half inch 90- 100 pounds of torque.
  • Geoff C., N.Z.Geoff C., N.Z.
    Posts: 2,270Platinum Member
    Step-down and Jet service manuals specify "Rear Spring Clips" using 1/2"-20 U-bolts to torque down 70-80. These are the same as the '39 (including fronts).

    Geoff.
    If you're stuck in a hole, stop digging.
  • Kevin C.Kevin C.
    Posts: 410Platinum Member
    Thanks Chuck!



    It didn't require much torque to loosen those nuts after the jam nut was removed. I was a bit concerned because I'm replacing the old nuts with new grade 8 units.



    My manual doesn't have any torque specs for it either. My Motors manual has some torque specs but I loaned out and it hasn't returned yet.



    Kevin
  • Chuck G
    Posts: 365Platinum Member
    My Motors manual does not list the torque specs. for these.
  • Kevin C.Kevin C.
    Posts: 410Platinum Member
    Geoff C., N.Z. wrote:
    Step-down and Jet service manuals specify "Rear Spring Clips" using 1/2"-20 U-bolts to torque down 70-80. These are the same as the '39 (including fronts).

    Geoff.



    Once again Geoff answers the question that stumps rest of the Hudsonworld!



    Thank you Mr. Clark!



    Kevin