What size socket do you need to change the thermostat on a 2004 Nissan Sentra?

To change the thermostat on a 2004 Nissan Sentra, you typically need a 10mm socket to remove the bolts securing the thermostat housing. Additionally, having a ratchet and extension can help reach the bolts more easily. Always make sure to consult your vehicle's manual for specific details or variations.