Can you tell me where to find the thermostat in a 2004 Highlander V6?

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To locate the thermostat on a 2004 Highlander V6, you can refer to this video: https://www.youtube.com/watch?v=eA6YAOX1WOM. The spark plugs typically need replacement every 100,000 miles, but if using a copper spark plug, it should be replaced every 30,000 miles. The air filter should be changed every 15,000 to 30,000 miles, and the coolant should be replaced every 60,000 miles. Various engine issues may arise, such as a loose gasket needing to be tightened, a spark plug coming out causing problems, or the serious risk of engine overheating leading to potential fires and even explosion. Additionally, watch out for excessive oil consumption, which may necessitate earlier oil changes, as well as promptly addressing any oil leaks.

Can you tell me where to find the thermostat in a 2004 Highlander V6?

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