Why is my 2008 Chevy uplander overheating.2008 Chevy uplander Got new radiator thermostat and still overheating. Help please?

If your 2008 Chevy Uplander is still overheating after replacing the radiator and thermostat, there could be several potential issues. Check for a failing water pump, which is responsible for circulating coolant through the engine; a malfunctioning water pump can cause overheating. Additionally, inspect for any leaks in the cooling system, air pockets trapped in the system, or a clogged radiator that might impede coolant flow. Lastly, ensure that the engine's cooling fans are operating properly, as they play a critical role in regulating engine temperature.