I checked my hyd fluid last Dec and I am sure there was a dip stick on my hyd fill plug. I checked it today and no dip stick. I had a seal leaking hyd fluid and posted about it the other day. Now I added fluid today and used it all afternoon and my leak is gone. I don't know what is going on but I am going to check that bolt with the valve in it tomorrow and see if it is stuck. The plastic dipstick must have broken off and fell in the trans