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Old 07-03-2012, 09:00 AM   #1
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Wheel Bearing Help

Changed my left front wheel hub assembly about a week ago. After the change, it runs really smooth and quiet, until I hit 60+mph, then it vibrates and shakes the Jeep.

When I did the work, I didn't have a torque wrench, so I just tightened it all down best I could. A mechanic buddy told me I may not have torqued it tight enough, so I should get a torque wrench and make sure, and once i do the vibration should go away.

Well, I tourqued it down...75 for the 13mm bolts, and 175 for the axle nut.

Well, the vibration is still there over 60mph.

Any ideas? My tires were all rotated and balanced about a month ago.

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Old 07-03-2012, 12:38 PM   #2
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Could be u-joints, when was the last time you serviced or replaced your u-joints?

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Old 07-03-2012, 01:23 PM   #3
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Sounds like driveline issue.... check U-joints in the Front Driveshaft and Rear Drive Shaft.

You might need to jack the front & rear up while checking to get the weight off the u-joint as well. I had a cracked one and could find it until I took theweight off the ground.
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Old 07-03-2012, 02:19 PM   #4
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You didn't have the vibs prior to replacing the bearing right?
Is the bearing seated in the knuckle properly? Was there excessive rust on the backside of the rotor where it contacts the hub (bearing)?
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