Where 2002 Toyota Avalon thermostat?

The thermostat on a 2002 Toyota Avalon is typically located near the engine block, where the upper radiator hose connects to the engine. To access it, you'll usually need to remove the upper radiator hose and the thermostat housing, which is secured by bolts. It's important to ensure the engine is cool before attempting to replace the thermostat to avoid burns. Always consult a repair manual for your specific model for detailed instructions.