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Thread: Unit Bearings -75,000 miles?

  1. #1
    Old Timer USMC Wrangler's Avatar
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    Unit Bearings -75,000 miles?

    I have about 40,000 miles on 35ís and 4.5Ē backspaced wheels. Iíve been chasing a flighty steering sensation, not bump related or death wobble, for a couple months now. Iíve already installed ProSteers and an Exodus Jeeps tie rod in the past month and a new drag link is inbound from Ruffstuff. Thereís definitely play at the pitman arm end of my OE DL. I also have two collapsed .75 coil spacers causing my springs to bow. That will be remedied Friday.

    As I walked out to my Jeep today it looked as if my front tires had a great deal of camber. Sorry for the crappy picture. Are you seeing what I am? Am I overreacting?

    IMG_7246.jpg

    Later tonight I went over a series of speed bumps at about 10 mph. Each time my traction control light flashed once. I watched for it to flash again on the drive home, nothing, but no large bumps to speak of like the speed bumps.

    Best explanation I can give...sometimes it drives straight and smooth. Sometimes Iím sawing on the wheel like a madman to try and keep it between the lines. 50-70 mph is the scariest and if thereís a crosswind, Iím getting one hell of a workout. Again, Iíve really paid attention when it happens if itís related to a bump, but so far thatís a no. If I understand things correctly, I do feel almost a dead spot in the middle-ish of the steering cycle and that can be related to the DL slop. I recently checked all my torque settings on all suspension at both ends and steering components. Everything was good. My wife and daughter refuse to drive it because ďitís all over the placeĒ as they describe it.

    My latest guess are unit bearings from the ďlookĒ of the front tires and the weird TC light flash. I donít hear any unusual noises. Front lower CAís are RK adjustable, uppers are OE, track bar is OE. Anything else Iím missing?
    2013 JKU Sport "Spider" with some EVO goodies and a chop here and there

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  2. #2
    Addict Ddays's Avatar
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    Easy way to check the Unit bearings is to jack up front end and try to move the whole wheel. Hold on at the top and bottom and see if you get any movement.

  3. #3
    That dude from Mississippi notnalc68's Avatar
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    They are probably gone. Mine were, at around that many miles. The symptoms were about the same.


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  4. #4
    Meme King WJCO's Avatar
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    Check your toe also, sometimes that can make the tires look like improper camber. I would definitely change that drag link you spoke of first, then re-diagnose.
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  5. #5
    Old Timer fiend's Avatar
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    Unit bearings and/or ball joints. Or maybe youíll find that your knuckles are done. That happened to me. One of the symptoms was noticeable camber similar to yours. IMG_0330.jpg


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  6. #6
    Old Timer USMC Wrangler's Avatar
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    Thanks guys. My toe was just dialed in a couple weeks ago as well.

    IMG_7165.jpg

    IMG_7164.jpg

    The traction control light is what sent me searching on here. I couldnít find that symptom explained exactly the same, but I saw where some had posted definite failures and lights coming on.
    2013 JKU Sport "Spider" with some EVO goodies and a chop here and there

    DIY trail/tube door build http://wayalife.com/showthread.php?24449-My-DIY-Doors

    Overall "build thread" http://wayalife.com/showthread.php?2...ker-quot-build

  7. #7
    Old Timer USMC Wrangler's Avatar
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    Quote Originally Posted by fiend View Post
    Unit bearings and/or ball joints. Or maybe youíll find that your knuckles are done. That happened to me. One of the symptoms was noticeable camber similar to yours. IMG_0330.jpg


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    I remember seeing that! I looked my knuckles over too, but nothing jumped out. ProSteers went in last month.
    2013 JKU Sport "Spider" with some EVO goodies and a chop here and there

    DIY trail/tube door build http://wayalife.com/showthread.php?24449-My-DIY-Doors

    Overall "build thread" http://wayalife.com/showthread.php?2...ker-quot-build

  8. #8
    Been Around the Block Gbint's Avatar
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    My front tires sit exactly like that. Has been since new. Always looked a bit out, however tire wear is perfectly even.


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    if it ain't broke!

  9. #9
    Old Timer USMC Wrangler's Avatar
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    Quote Originally Posted by Gbint View Post
    My front tires sit exactly like that. Has been since new. Always looked a bit out, however tire wear is perfectly even.


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    So far, tire wear looks good. At 40k on these Nittos and religious 3k rotations Iím pretty happy with them. I suspect Iíll be replacing these soon.

    Again, I might be over thinking this and will reassess after the DL gets replaced.
    2013 JKU Sport "Spider" with some EVO goodies and a chop here and there

    DIY trail/tube door build http://wayalife.com/showthread.php?24449-My-DIY-Doors

    Overall "build thread" http://wayalife.com/showthread.php?2...ker-quot-build

  10. #10
    That dude from Mississippi notnalc68's Avatar
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    Quote Originally Posted by USMC Wrangler View Post
    Thanks guys. My toe was just dialed in a couple weeks ago as well.

    IMG_7165.jpg

    IMG_7164.jpg

    The traction control light is what sent me searching on here. I couldnít find that symptom explained exactly the same, but I saw where some had posted definite failures and lights coming on.
    I had the light coming on, intermittently. I would not get any actual limp or other traction control problems. Just the light. Cindy suggested unit bearings, and that solved it.


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