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Thread: new gravely vibes coming from driveline?

  1. #1
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    Default new gravely vibes coming from driveline?



    drove to work this morning, no issues. smooth as it's been for the past 2 years. parked it. came out for lunch and now there's very pronounced vibes going on.

    the Jeep feels like I'm driving on small washboards in the road. or like the pavement is covered in small rocks...not quite bumps, but very noticeable gravel feeling. it's not DW and it doesn't make the Jeep bounce in the front like it does when you actually drive on a washboard road. it feels driveline related, but I'm not sure. vibes aren't really felt below 25mph. pushing in the clutch and coasting you can still feel them, but a little less pronounced.

    I pushed & pulled on the stuff in the front end just to see if anything was immediately loose and found nothing. rear driveshaft seems tight as well. I read something about clutch packs going out in a LSD causing similar vibes, which I do have in my rear 8.8. but that was info on the internet and nobody had a definite answer to that. also thinking rear u-joints on the driveshaft? I may pull it tonight and check on them.

    any other thoughts on where to look?

    J.

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    Default Re: new gravely vibes coming from driveline?



    turns out the axle-end u-joint on my rear driveshaft was going out. fixed it when I fixed my tcase chain this weekend and the vibes are gone.

    J.

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    Default Re: new gravely vibes coming from driveline?




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