Thanks for the info and will check the areas for any possible air leak.
I did replace the screen in the transmission / suction line . old one was very dirty even after washing out. It also had some small hole in the screen around filter, and replaced fluid
2004 JD 4310 hydraulic fluid foams while using hot or cold weather. when you push on pedal to move forward, it hesitates. Also the front loader is jerky and any rpm. i was trying to plow the snow off the drive and would start to move then seem like it ran out of power to move , so i stoped and...