what does Jerry W have to do with mechanical diodes vs the one way clutch...
Jerry has forgotten more about the 4R70W than ANY cottman technician would ever know.
Jerry knows these transmission inside and out, as he was part of the team that developed them.
Luckily Jerry has shared his vast knowledge with those that are smart enough to listen.
cottman guy just wants to SELL you a transmission.
Jerry doesnt care either way, his advice isn't based on "trying to sell something" to you.
just say NO TO COTTMAN TRANSMISSIONS..
They aren't worth the fluid that is inside of them.