Autoboxes are just not my area of expertise. This is an 85 245 with 155k miles on it. Purchased recently for the graduate, as his car is down for the count, trans was working perfectly Friday, Saturday morning suddenly no reverse. In fact the car is in drive as soon as you start it. You can feel it pulling and it won't rev in park. Will drive in reverse or neutral, but won't shift correctly. In drive everything is fine. Downshift cable was sticky last week, freed it up and no further issues, but found it snapped yesterday--no idea when it happened. Replaced it. Fluid was not very dirty. No bits and pieces or metal filings in the pan, just clutch soot. All mounts are good. Going to disconnect the shift linkage and operate the trans directly today, just for kicks, but I don't think that's it. Something stuck in the valve body perhaps? Any help or hints will be appreciated.