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Replaced front DS--still noisy

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Old 01-19-2012, 07:20 PM
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Default Replaced front DS--still noisy

2000 GC 4.7 V8, 247 T-case, double u-joints...

Jeep was making a howling, whining noise at movement. When I took off the front DS the noise was much less and only between 40-60 mph. I bought a used DS, and after installing it is making the same noise again.

Any suggestions?
Old 01-20-2012, 07:53 AM
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probably your t-case.

is there any up/down play in the front axle pinion output?
what about the t-case front pinion output?

those 247 cases have a viscous coupling system, and are prone to failure.
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