i have a 02 olds silhouette that over heats whats the problem on 2002 Oldsmobile Silhouette

i have changed the thermostat, the water pump is not leaking

Asked by for the 2002 Oldsmobile Silhouette
it could be many things, the thermostat, cooling temp sensor, one of the fans, water pump, low coolant, i would get the car to your local mechanic if you have your check engine light i would get the car diagnose.