Running hot but full of coolant what could be problem changed thermostat but di

Hello, what are you seeing that indicates running hot? Steaming out of engine compartment? Boiling over? A gauge that reads high? You need a full assessment, and now you have to make sure air is purged out of your cooling system if you replaced the thermostat. You could have a gauge or sending unit issue, a cooling fan issue, air pockets, a water pump issue, an air flow restriction issue or more. Use this link to find some shops near you that can help with your concern: www.repairpal.com/repair-shops