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Shock/Suspension Question: Thumps on bumps

Discussion in 'Technical Chat' started by Graham, Nov 30, 2010.

  1. Nov 30, 2010 at 11:25 AM
    #1
    Graham

    #1
    Graham [OP] Pay it Forward

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    I have put 180 lbs of sand bags into my bed for better control during the winter driving season. I have all original shock/suspension equipment on my 2005 4x4 TRD with 176K miles.

    I have noticed when I go over any sort of road bump, dip, etc that I get a heavy thump in the bed like it is bottoming out. I did a bumper shake test on all 4 corners and did not notice any excessive movement. When the weight is not in the bed, I don't bottom out.

    I need the weight for control but hate the thump on bumps.

    Any suggestions on how to correct? Should I get new shocks, etc?

    Thanks for any and all suggestions.
     
    Graham, Nov 30, 2010
    #1
  2. Nov 30, 2010 at 11:29 AM
    #2
    Pugga

    #2
    Pugga Pasti-Dip Free 1983 - 2015... It was a good run

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    Pugga, Nov 30, 2010
    #2
  3. Nov 30, 2010 at 11:30 AM
    #3
    mjp2

    #3
    mjp2 Living vicariously through myself Moderator

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    Milton Juevo Portimous II
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    New leaf springs will help that. There's a TSB for "harsh ride" that replaces your 3-leaf packs with 4-leaf ones but you're well out of warranty for that.

    Might try an add-a-leaf to stiffen up the rear a bit. You're bottoming out and hitting the bumpstops. The frame above the rear axle is probably nice and clean on your truck. :)
     
    mjp2, Nov 30, 2010
    #3
  4. Dec 1, 2010 at 4:11 AM
    #4
    Graham

    #4
    Graham [OP] Pay it Forward

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    Thanks guys! I'll look into this.
     
    Graham, Dec 1, 2010
    #4

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