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  1. K

    jerky 4x4

    I ran the 4x4 this weekend in mud, ice and dry pavement and found that the problem persists in all conditions. For some reason the dry pavement had the mildest reaction A very light jerk or pop. I have also checked the vacuum lines going to the front end and found them to be rotten so I am going...
  2. K

    jerky 4x4

    Thanks to all of you for your help with this problem! I will be trouble shooting this weekend and will post my results. Of course I'm going for the simple fix first... Thanks Again Ken
  3. K

    jerky 4x4

    Hi, I have not tried 4 wheel since this weekend on ice but I will put it through the paces this coming weekend. A good possibility on the vacuum disconnect, I have had to replace alot of rubber hose due to being dried out and cracked. I live in the four corners region of the southwest, rubber...
  4. K

    jerky 4x4

    This only happened in four wheel drive and it is very regular when it happens, it feels like a hub slipping or giving way, definitly some sort of torque problem. I wonder if someone may have changed gear sets and not matched the gears right? It could be a gear tooth but on a 12 second frequency...
  5. K

    jerky 4x4

    I recently had my YJ on ice packed roads and had it in four wheel drive and noticed something strange. Every 12 seconds or so the front end seemed to jerk while running at about 35MPH. It is quite violent and causes things to get a little wild on the ice. This happens in both high and low range...
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