Originally Posted by ed2hess
I kinda hear you but that sucking device isn't going to get all the air out or
all the oil. This rebuild isn't much different than doing a oil change or replacing a pump or wheel motor. I have done them and watched many done and I have never seen anybody using a suction device. Just put oil in start it up with wheels off the ground and run it until it fixes it self. Yes there is apparently air inthe system and I don't know where it goes but the units will eventually start driving. Am I doing something really wrong?
I am almost 100% sure i read in one of my owners manuals that if air becomes present you can loosen the two allen head bolts on top of the hydro pumps to let it escape..