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Jeep vibration

Discussion in 'General Jeep Discussion' started by Sportsman334, Feb 25, 2017.

  1. Feb 25, 2017 at 6:58 PM
    #1
    Sportsman334

    Sportsman334 [OP] New Member

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    I am a new jeep owner with a 2010 Jeep Wrangler unlimited. There is a random vibration that happens with my jeep that is not as bad as a death wobble. I know it isn't because I have ridden in friends' keeps with it and this is not that. It is random and not at any certain speed. Mainly happens when I am staying at a constant speed. Not necessarily using cruise control. Sorry for the length just trying to give best description of what's going on
     
  2. Feb 26, 2017 at 9:54 AM
    #2
    Jasons4.6

    Jasons4.6 Active Member

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    Black 97 cherokee sport
    4.6 stroker, m90 supercharger, true dual exhaust with sidepipes, old school 6 pack mopar hood scoop, and 3.55 gears front and rear
    First things to check are your u joints and/or cv shafts and your drive shafts
     
  3. Feb 26, 2017 at 6:26 PM
    #3
    OFFGRID

    OFFGRID Well-Known Member

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    Houston
    Vehicle:
    1979 Jeep CJ7, 258, TH350, NP208
    Howell fuel injection, header, HEI distributor, TH350, NP208, SOA lift with YJ springs in the front & GW springs in the Rear. AMC20 with G2 1 piece chromos trussed, Dana 30 with G2 chromos and 760x ujoints and MM Stainless Hubs, Geared 4.56. Tom Woods shafts, Metal cloaks, Caged, 37" Toyo MTs.
    Is it intermittent? Does it usually happen after a slight dip or bump in the road usually at a higer rate of speed i.e. greater than 45mph? Could be the beginnings of death wobble. DW usually is the culprit of lots of thing wearing out. Tie rods, ball joints, and track bar mostly. I like Jason's idea of ruling everything out though. ujoints and drive shafts will give you vibrations, but not DW
     
  4. Feb 26, 2017 at 7:08 PM
    #4
    Sportsman334

    Sportsman334 [OP] New Member

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    It is just random and sometimes is only for a split second. It sort of feels like is it coming from the rear wheels since I can't feel any vibrations in the steering wheel when it happens
     
  5. Feb 27, 2017 at 3:38 AM
    #5
    Jasons4.6

    Jasons4.6 Active Member

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    Jason
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    Black 97 cherokee sport
    4.6 stroker, m90 supercharger, true dual exhaust with sidepipes, old school 6 pack mopar hood scoop, and 3.55 gears front and rear
    I'd check the pinion bearings in the rear axle then and check the pre-load on the pinion. The nut sometimes loosens as well
     
  6. Feb 27, 2017 at 12:48 PM
    #6
    OFFGRID

    OFFGRID Well-Known Member

    Joined:
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    Houston
    Vehicle:
    1979 Jeep CJ7, 258, TH350, NP208
    Howell fuel injection, header, HEI distributor, TH350, NP208, SOA lift with YJ springs in the front & GW springs in the Rear. AMC20 with G2 1 piece chromos trussed, Dana 30 with G2 chromos and 760x ujoints and MM Stainless Hubs, Geared 4.56. Tom Woods shafts, Metal cloaks, Caged, 37" Toyo MTs.
    Tires slightly out of balance, old shocks maybe? If you're not leaking from the pinion seal I doubt it is in the bearings. grab the rear drive shaft by the pinion. Shake it up-down, side to side, in and out on the pinion. There should be no play where the pinion is concerned. If so bearings may be going out. It is a 2010 JKU right, so probably not the bearings.
     
  7. Feb 27, 2017 at 1:23 PM
    #7
    Sportsman334

    Sportsman334 [OP] New Member

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    It is a 2010 with 109k. I just bought it, but by the looks of it everything is original. Haven't crawled under it yet to see if anything is loose or not
     
  8. May 4, 2017 at 5:42 PM
    #8
    o4petesake

    o4petesake Member

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    Stock '10 jk unlimited
    Fat mud tires
    Take it in for an alignment and wheel-balance.
     
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