Where is the thermostat on a 2004 Pontiac grand am 3.4L V6?
The thermostat on a 2004 Pontiac Grand Am 3.4L V6 is located on the engine, at the lower end of the engine block, near the water pump. It's not easily accessible; you'll likely need to remove some components to get to it, such as the upper radiator hose and possibly some other parts depending on your specific tools and comfort level. You should consult a repair manual specific to your vehicle year and engine for detailed instructions and diagrams.