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leaf springs bolts, how tight?

Discussion in 'The Garage' started by muddybuddy, Jun 8, 2005.

  1. muddybuddy

    muddybuddy 3/4 ton status

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    hey guys, how much do the i-bolts for the leaf springshave to be torqued?
    thanks
     
  2. 4xcrazy

    4xcrazy 3/4 ton status

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    U-Bolts???? T-I-G-H-T
     
  3. trailblazr81

    trailblazr81 1/2 ton status

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    YA, I use my BEEFY Impact wrench to take off and install leaf spring U-bolts. I once had one loosen up. It angled back put tire into rear of fender opening, and shaved off the leaf pack pin. Thats a job to replace that pin with a bolt and grind it down to fit in the little hole in the axle. So yeah go TIGHT on those bolts. Lock washers and nylon lock nuts for sure!!
    :cool1:
     
  4. smokkey1

    smokkey1 1/2 ton status

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    140lbs
     
  5. muddybuddy

    muddybuddy 3/4 ton status

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    thanks for the replies.

    im actually talking bout the bolts that connect the leafs to the frame. any specific amount, or just as tight as i can get it socket style?

    thanks
     
  6. dheavychevy38

    dheavychevy38 1/2 ton status Premium Member

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    110lb for the spring eye bolt to the frame and the one for the shackle
     
  7. trailblazr81

    trailblazr81 1/2 ton status

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    Again I used the impact wrench!!! :grin: :grin: :grin:
     
  8. jekbrown

    jekbrown I am CK5 Premium Member GMOTM Winner Author

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    110 for the spring eye bolts? holy crap... I use locking nuts and probably put about 30 ft/lbs on them... is that 110 number an actual spec from a real source? sounds more like a u-bolt spec to me...

    j
     
  9. smokkey1

    smokkey1 1/2 ton status

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    opps miss read your post 140lbs for ubolts. I ussually tighten the leaf springs bolts between 35-45 lbs.
     
  10. pvfjr

    pvfjr 1/2 ton status

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    That just had that happen to me, had to fix it on the trail. I'll be putting the impact on those things after I get one.
     
  11. trailblazr81

    trailblazr81 1/2 ton status

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    Ya its fun trying to compress your leaf springs back together using a C-clamp and putting a new bolt and nut through center hole, and then grinding it to fit the hole in your axle. But my CV driveshaft with 1350 U-joints held up to the axle being way outta whack. And its a good thing local law requires I have mud flaps or the fender would have torn up my tire and that wouldnt have been pretty while cruisin' down the highway!! :eek: :yikes:
     
  12. BigCountryx

    BigCountryx 1/2 ton status

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    That's more like it, 110# would crush the hanger into the bushing badly and create a very stiff ride. ;)
     
  13. captaininsano

    captaininsano 1/2 ton status

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    Tighter than this...

    [​IMG]

    [​IMG]
     
  14. dheavychevy38

    dheavychevy38 1/2 ton status Premium Member

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    110 lb is right out of the manual for a 1980 k20 just replying what the book says
     

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