Front End WJ Noise -
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post #1 of 4 Old 07-22-2014, 10:43 AM Thread Starter
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Wj Front End WJ Noise

I recently purchased a 2000 WJ with the Selec-Trac TransferCase, it had been sitting for a year when i purchased it. Both of the front calibers needed to be replaced from rust. There was a hum in the front end that I assumed was caused by a brake issue. I replaced both the calibers, rotors, and pads in the front end, yet the noise continued. So then I replaced both the front hubs, yet the noise continues. I am at a loss as to what else the noise could be, it is in 2WD and never goes into 4WD. Any help is greatly appreciated!

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post #2 of 4 Old 07-22-2014, 10:50 AM
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Check the diff fluids. Maybe low another thing maybe remove front driveshaft and see if hum is still there to rule that out.

2000 4.0 Selec Trac
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post #3 of 4 Old 07-22-2014, 10:52 AM
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A hummm or roaring noise from the front or rear is usually the differential bearings going out. Time for a rebuild of the axle. Mine does the same thing right now, but mine only does it in 4WD which tells me mine isn't quite that bad yet...but I'm going to change it out before it gets bad.

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post #4 of 4 Old 07-22-2014, 11:37 AM Thread Starter
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Another thing I forgot to mention, don't know if it would change anything. The noise can be heard with the front end jacked up while rotating the tires by hand. It is louder on the driver side then the passenger side.
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