06 intrepid 2.7L motor cant find thermostat

the thermostat is stuck on my dodge intrepid 04 model 2.7L motor I have looked that motor over and found everything but the thermostat...lol my car has over heated for about a month now and couple weeks ago i got bad burns from the coolant return I have already replaced the radiator brand new but that only worked for bout a month and also my trans is slipping severly if im goin over 55 its ok but the minute I drop below that it jerks into first gear bout throws me through the windshield...lol and after that happens I gotta pull over turn the car off and wait a sec then start over sometimes it works and sometimes it dont at some times I have lost the whole trans I have nothing I do the same thing and wait a few minutes start it over have to work with the gear shit and it catches when it wants to...lol I have been stranded so many times it aint funny thanks:shakehead

Its at the lower radiator hose connection at the block