Hi, we triple checked the filter o-ring, gives a tight seal. I rechecked all the lines for blockage again and all were clear. There is no fluid coming out of the pressure tap on the side either. An old Ford mechanic told me to try blowing air through both in/out cooler lines into the tranny, to see if some check valve may be stuck. Didn't change anything, but could hear bubbles in pan. So assume all those are clear. Is there any other valve that could be stuck? Maybe one blocking the pump flow to the converter? I did blow air like he said from the cooler fitting at the radiator and get a short flow of fluid, maybe 3-4 seconds with engine idling. Strange indeed. Seems almost like it was clogged between the pump and converter before the fluid change, but the converter was full, so everything worked. Make any sense? You mentioned the pump inlet screen, is that different than the filter, and if so, is that accessible from in the pan, or does the tranny need disassembly?
Dave