The thermostat is located at the end of where the upper radiator hose connects to the engine. The thermostat housing has 3 bolts that mounts it to the engine.
Remember to only work on the cooling system when the engine is cold.
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.