Could a bad hydraulic motor seal cause oil to overfill the wheel hub?

Felix Branairos

New member
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I'm troubleshooting a front right wheel oil leak. The wheel hub was overfilled with oil, so I drained the excess. A week later, it was overfilled again. I guess that a failed hydraulic motor seal is allowing hydraulic oil to leak into the reduction gears. Does anyone have a parts diagram or schematics for the front hydraulic motor and reduction gear assembly to help before I tear it apart?
 
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