Question about 2001 Jeep Wrangler

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Rear diff fluid is a milky color and it whines while driving

Replaced rear diff fluid and gasket, check fluid again and it was still a milky color and the whine did not go away

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  • bansheeryder Mar 09, 2009

    so my next step would be to replace bearings and maybe another diff flush service

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  • 362 Answers

Sounds like there is water getting into the diff. Most of the time it is from the vent on the top. That will cause damage to the bearings and make noise.

Posted on Mar 09, 2009

  • Dave Real
    Dave Real Mar 10, 2009

    You can try replacing the axle bearings, but there are more on the inside. You will need to find out which ones are making the noise.





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