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Noisy springs

Discussion in 'The Garage' started by Shagnaz, Feb 12, 2003.

  1. Shagnaz

    Shagnaz 1/2 ton status

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    I installed a 8" Superlift on my 90 K5 over a month ago. Now the springs are making this horrible popping noise when I am drive around slow and making turns.
    Anyone know or have the samething happen to them.
    I have all springs, no blocks. I have also retightened the ubolts.
    Thanks
    Mike /forums/images/graemlins/confused.gif
     
  2. 86 4door

    86 4door Registered Member

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    are you still running stock front shackels?maybe the leaf spring hiting the frame.
     
  3. Shagnaz

    Shagnaz 1/2 ton status

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    I have ORD front shackles. The springs aren't hitting the frame. The sound is coming from the rear springs.
     
  4. heavy4x4

    heavy4x4 1/2 ton status

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    I realize you said that you re-torqued your u-bolts....but go back and crank down on them. Did you use an impact? Those are supposed to be torqued to 140 ft lbs.
    I can say with a certain amount of confidence that that's what's making the popping noises you describe. Same thing happened to me. I'd get weird noises coming from the rear when accelerating, turning, and especially braking.
    Hope that helps out.
     
  5. opfor2

    opfor2 1/2 ton status

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    I just went through this with my 1990 blazer. The stock springs would make a "CLUNK" noise when I would brake and turn corners. I loosened all four U-bolts and re-torqued them. Remember, that you have to tighten the bolts criss cross pattern i.e. 1&4 2&3 and to approx 140 ft. lbs. After I did this the CLUNK went away and my truck was once again stable.


    Dan...
     
  6. sled_dog

    sled_dog 1 ton status

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    I had a slight clunk when my lug nuts were lose before... damn weak air impact.
     
  7. Shagnaz

    Shagnaz 1/2 ton status

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    Should I loosen the ubolt up and then retighten to 140?
    I "exercised" my springs tonight. I was stuffing the 38's into the fender wells. I was hoping that the creeking(?) would stop. It is still there alittle. I will to the ubolts tommorrow and let everyone know what happens.

    Thanks for the time and help,
    Mike B
     
  8. 87sm465np208

    87sm465np208 1/2 ton status

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    WEll, at least i know what is wrong with my front springs, im experienceing the same issue. see ya's. /forums/images/graemlins/thumb.gif

    /forums/images/graemlins/usaflag.gif /forums/images/graemlins/truck.gif
     

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