overheating on 1999 Cadillac DeVille

replaced radiator, thermastat, overflow tank, waterpump, still overheating, someone suggested the coolant temp switch or the sensor.

Asked by for the 1999 Cadillac DeVille
change the moter or clean all the hole for coolent to go throe
1 more answer
Check the radiator, I did all that and then turns out that the radiator was clogged.