Ram tranny problems

Ok the ont thing that really stands out for me is that you just bought this vehicle. That means you really do not know the service history. If the previous owner had recently had the transmission fluid changed there is a great possibility billy jo bob down at the quickie lube put in dexron with a friction modifier. I do not care what anybody says dexron with an additive doesn't turn it in to ATF-4 and you will have problems exactly like hwat you are experiencing. First thing and the creapest is to change the fluid in the trans with ATF-4 and get a good look in the pan while you are at it just in case there is some other evidence floating around indicating a more serious problem. One of our drivers came in two weeks ago bummed that he was going to have to buck up for a new trans in the wifes mini van because it would hardly move. My first question was "did you recently have the trans fluid change?" His response "yes" Told him to go back and do it himself and use ATF-4. Has had zero problems since.