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Jeep Cherokee Blog

Mar 6, 2007

Unidentifiable Sound


I have been trying to figure out what the constant humming noise is that is coming from the drivetrain somewhere.
Category: General
Posted by: andy
Today I decided to try removing the front driveshaft to see if that is the source of my mystery noise. It sounds the same with it removed. Then I replaced the rear shaft with the one I took off the front. Sound is still there.Then replaced the differential fluid in the front. While I was there I realized that my passenger side U-joint was loose so I headed to the parts store and purchased new u-joints for both sides. I replaced the passenger side joint and the fluid and the sound remains. I am baffled.

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