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Popping and jerking coming from left front

Discussion in 'Wrangler TJ (1996-2006)' started by East Tx TJ, May 1, 2017.

  1. May 1, 2017 at 10:13 AM
    #1
    East Tx TJ

    #1
    East Tx TJ [OP] Member

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    When easing up to a rock I can hear a popping and a jerk coming from the left front, can the hubs strip out?
     
    East Tx TJ, May 1, 2017
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  2. May 1, 2017 at 6:38 PM
    #2
    OFFGRID

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    OFFGRID Well-Known Member

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    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.
    Are your wheels straight when this happens or are they turned? Is your axle locked or open when this happens? when turned and under stress the front axle u-joints do pop and jerk some on hard ground especially when locked.
     
    OFFGRID, May 1, 2017
    #2
  3. May 1, 2017 at 6:47 PM
    #3
    chris4x4

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    chris4x4 With sufficient thrust, pigs fly just fine Moderator

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    Welcome to the site!
     
    chris4x4, May 1, 2017
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  4. May 1, 2017 at 6:51 PM
    #4
    East Tx TJ

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    East Tx TJ [OP] Member

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    It's when in low range locked in 4wd on the trail trying to ease over rocks, if you don't try to be easy it doesn't slip, it sounds like it is coming from the left front, wondering if the hub can strip!
     
    East Tx TJ, May 1, 2017
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  5. May 1, 2017 at 6:52 PM
    #5
    OFFGRID

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    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.
    Just remembered you asked about the hubs stripping out. You have fixed hub unlike the older CJs manual hubs. Yours are pretty strong. I would think that you would break an axle u-joint before you stripped a hub.
     
    OFFGRID, May 1, 2017
    #5
  6. May 1, 2017 at 6:57 PM
    #6
    East Tx TJ

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    East Tx TJ [OP] Member

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    That's why I was asking! Not sure how the hubs are made inside, or what they are made of, one man told me they have plastic teeth inside them!
     
    East Tx TJ, May 1, 2017
    #6
  7. May 1, 2017 at 7:07 PM
    #7
    OFFGRID

    #7
    OFFGRID Well-Known Member

    Joined:
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    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.
    I have never taken them apart, but i could not imagine plastic teeth. I did take a dodge one apart. It was also mopar. It was solid, no plastic. They stay constantly engaged and i believe the power disconnect is at the Tcase. If you suspect the hub, jack the jeep up in the front. Grab the top and bottom of your tire and try to shimmy it back an forth. There should be very little play, really no play, but things get warn so you might see a tiny bit. If there is significant wiggle then it could be the hub.
     
    OFFGRID, May 1, 2017
    #7
  8. May 1, 2017 at 7:10 PM
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    East Tx TJ

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    East Tx TJ [OP] Member

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    Ok I'll CK that, thanks
     
    East Tx TJ, May 1, 2017
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