Thanks Gentleman,
Yes there is a case drain on the motor. The case drain from the two final drives and the swing motor all tee together before they go back to tank. I will have to remove the case drain line and check for blockages as I am not having any problems with the other two motors. I will...
One of my final drives on my excavator is periodically blowing out the shaft seal, which allows hyd. oil into the sun gear case and blows off the outside cover.
When this happened the first time I dissassembled and thought the internal brake was not releasing. I replaced the oring to the brake...