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Old 07-26-2016, 02:48 PM   #1 (permalink)
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98 Cherokee Vibration, Humming, and Clunking

I started having an issue with my 98 jeep Cherokee this weekend, it seemed like it was stuck in four wheel drive.
Jumping when I turned and death wobbling at 15mph. I couldn't get it to drive.. Also extremely rough in the steering wheel.
I pulled the front drive shaft loose it and worked fine.
To get home I had to bolt it back (I only unbolted it from the axle pinion) , I have TNT Customs long arm kit and its a real pain to pull the driveshaft.

I got it home and driving it a little it has a bad vibration, a rather loud hum whenever I hit my brakes to slow down, and a bumping or clunking noise that is consistent and in sync with the tire turning.

I pulled the front drive shaft completely out I checked all the ujoints and everything is stiff. The shaft has the smallest amount of wiggle room in the slip its hard to see its so little but.. everything stopped. It drives fine no vibration, no shake in the wheel, no attempt to wobble and no noises.

Any input would be much appreciated I also have pictures and short video clip if anyone wants me to post it.



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Old 07-26-2016, 09:07 PM   #2 (permalink)
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So the u joints are seizing in the drive shaft. Exact same thing can happen to a steering column. U joint seizes or slip joint in the shaft seizes and causes hard steering because the failed component is fighting or resisting the changing direction
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Old 07-27-2016, 10:03 AM   #3 (permalink)
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By stiff I mean no play. They all have full range of motion smooth no problems definitely not worn out or need to be replaced.
I geuss a better word would be solid.
I also have all Spicer ujoints CV joint and Spicer yoke that appears fairly new.

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Old 07-27-2016, 01:04 PM   #4 (permalink)
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Is the slip joint in the shaft moving freely? Have you pulled the diff cover and inspected the gears?
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Old 07-27-2016, 07:17 PM   #5 (permalink)
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Slip shaft moves with ease. I will be pulling the front cover off this weekend I'll post back then.

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