Medium and Heavy Trucks
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Hi my name is***** will try to help. The flywheel housing is overfilling you mean? sounds like the pump seal has failed and forcing oil into the housing from the drive seal. What is you machine serial number?
Is this the pump you replaced?
Sorry you mean this pump I believe.
Click on the links I posted and you can access the parts manual that way. Let me know where this leak you are seeing is as it is tough to be sure what you are referring to without being there or having some kind of pictures or video. Maybe it will be easier by identifying with the parts book by page and /or part number so I can go right to the pages.
So it is engine oil leaking from the rear main into the converter housing not hydraulic oil transferring?